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Finding the Fourth Proportional to 531,065.60, 794,294.40 and 475,308.80

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Solution

The fourth proportional to 531,065.60, 794,294.40 and 475,308.80 is: 710,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,065.60 : 794,294.40 = 475,308.80 : x
  2. Step 2: Convert to fraction form
    531,065.60/794,294.40 = 475,308.80/x
  3. Step 3: Cross multiply
    531,065.60x = 794,294.40 × 475,308.80
  4. Step 4: Simplify right side
    531,065.60x = 377,535,118,110.72
  5. Step 5: Solve for x
    x = 377,535,118,110.72/531,065.60
  6. Step 6: Final answer
    x = 710,901.10

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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.