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Finding the Fourth Proportional to 622,065.70, 932,542.88 and 242,898.22

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Solution

The fourth proportional to 622,065.70, 932,542.88 and 242,898.22 is: 364,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,065.70 : 932,542.88 = 242,898.22 : x
  2. Step 2: Convert to fraction form
    622,065.70/932,542.88 = 242,898.22/x
  3. Step 3: Cross multiply
    622,065.70x = 932,542.88 × 242,898.22
  4. Step 4: Simplify right side
    622,065.70x = 226,513,000,962.96
  5. Step 5: Solve for x
    x = 226,513,000,962.96/622,065.70
  6. Step 6: Final answer
    x = 364,130.35

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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.