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Finding the Fourth Proportional to 337,687.60, 506,531.40 and 305,028.40

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Solution

The fourth proportional to 337,687.60, 506,531.40 and 305,028.40 is: 457,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,687.60 : 506,531.40 = 305,028.40 : x
  2. Step 2: Convert to fraction form
    337,687.60/506,531.40 = 305,028.40/x
  3. Step 3: Cross multiply
    337,687.60x = 506,531.40 × 305,028.40
  4. Step 4: Simplify right side
    337,687.60x = 154,506,462,491.76
  5. Step 5: Solve for x
    x = 154,506,462,491.76/337,687.60
  6. Step 6: Final answer
    x = 457,542.60

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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.