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Finding the Fourth Proportional to 570,623.40, 855,935.10 and 333,844.20

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Solution

The fourth proportional to 570,623.40, 855,935.10 and 333,844.20 is: 500,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,623.40 : 855,935.10 = 333,844.20 : x
  2. Step 2: Convert to fraction form
    570,623.40/855,935.10 = 333,844.20/x
  3. Step 3: Cross multiply
    570,623.40x = 855,935.10 × 333,844.20
  4. Step 4: Simplify right side
    570,623.40x = 285,748,968,711.42
  5. Step 5: Solve for x
    x = 285,748,968,711.42/570,623.40
  6. Step 6: Final answer
    x = 500,766.30

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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.