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Finding the Fourth Proportional to 597,544.80, 896,317.20 and 154,312.80

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Solution

The fourth proportional to 597,544.80, 896,317.20 and 154,312.80 is: 231,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,544.80 : 896,317.20 = 154,312.80 : x
  2. Step 2: Convert to fraction form
    597,544.80/896,317.20 = 154,312.80/x
  3. Step 3: Cross multiply
    597,544.80x = 896,317.20 × 154,312.80
  4. Step 4: Simplify right side
    597,544.80x = 138,313,216,820.16
  5. Step 5: Solve for x
    x = 138,313,216,820.16/597,544.80
  6. Step 6: Final answer
    x = 231,469.20

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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.