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Finding the Fourth Proportional to 574,897.33, 861,692.05 and 349,761.50

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Solution

The fourth proportional to 574,897.33, 861,692.05 and 349,761.50 is: 524,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,897.33 : 861,692.05 = 349,761.50 : x
  2. Step 2: Convert to fraction form
    574,897.33/861,692.05 = 349,761.50/x
  3. Step 3: Cross multiply
    574,897.33x = 861,692.05 × 349,761.50
  4. Step 4: Simplify right side
    574,897.33x = 301,386,703,946.08
  5. Step 5: Solve for x
    x = 301,386,703,946.08/574,897.33
  6. Step 6: Final answer
    x = 524,244.40

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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.