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Finding the Fourth Proportional to 569,702.90, 853,427.95 and 499,661.30

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Solution

The fourth proportional to 569,702.90, 853,427.95 and 499,661.30 is: 748,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,702.90 : 853,427.95 = 499,661.30 : x
  2. Step 2: Convert to fraction form
    569,702.90/853,427.95 = 499,661.30/x
  3. Step 3: Cross multiply
    569,702.90x = 853,427.95 × 499,661.30
  4. Step 4: Simplify right side
    569,702.90x = 426,424,918,953.34
  5. Step 5: Solve for x
    x = 426,424,918,953.34/569,702.90
  6. Step 6: Final answer
    x = 748,504.03

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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.