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Finding the Fourth Proportional to 337,618.80, 506,428.20 and 310,062.60

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Solution

The fourth proportional to 337,618.80, 506,428.20 and 310,062.60 is: 465,093.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,618.80 : 506,428.20 = 310,062.60 : x
  2. Step 2: Convert to fraction form
    337,618.80/506,428.20 = 310,062.60/x
  3. Step 3: Cross multiply
    337,618.80x = 506,428.20 × 310,062.60
  4. Step 4: Simplify right side
    337,618.80x = 157,024,444,405.32
  5. Step 5: Solve for x
    x = 157,024,444,405.32/337,618.80
  6. Step 6: Final answer
    x = 465,093.90

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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.