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Finding the Fourth Proportional to 337,438.55, 506,055.58 and 177,428.26

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Solution

The fourth proportional to 337,438.55, 506,055.58 and 177,428.26 is: 266,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,438.55 : 506,055.58 = 177,428.26 : x
  2. Step 2: Convert to fraction form
    337,438.55/506,055.58 = 177,428.26/x
  3. Step 3: Cross multiply
    337,438.55x = 506,055.58 × 177,428.26
  4. Step 4: Simplify right side
    337,438.55x = 89,788,561,022.69
  5. Step 5: Solve for x
    x = 89,788,561,022.69/337,438.55
  6. Step 6: Final answer
    x = 266,088.63

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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.