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Finding the Fourth Proportional to 494,043.64, 741,030.90 and 283,020.28

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Solution

The fourth proportional to 494,043.64, 741,030.90 and 283,020.28 is: 424,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,043.64 : 741,030.90 = 283,020.28 : x
  2. Step 2: Convert to fraction form
    494,043.64/741,030.90 = 283,020.28/x
  3. Step 3: Cross multiply
    494,043.64x = 741,030.90 × 283,020.28
  4. Step 4: Simplify right side
    494,043.64x = 209,726,772,806.65
  5. Step 5: Solve for x
    x = 209,726,772,806.65/494,043.64
  6. Step 6: Final answer
    x = 424,510.62

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.