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Finding the Fourth Proportional to 573,267.40, 859,901.10 and 471,790.60

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Solution

The fourth proportional to 573,267.40, 859,901.10 and 471,790.60 is: 707,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,267.40 : 859,901.10 = 471,790.60 : x
  2. Step 2: Convert to fraction form
    573,267.40/859,901.10 = 471,790.60/x
  3. Step 3: Cross multiply
    573,267.40x = 859,901.10 × 471,790.60
  4. Step 4: Simplify right side
    573,267.40x = 405,693,255,909.66
  5. Step 5: Solve for x
    x = 405,693,255,909.66/573,267.40
  6. Step 6: Final answer
    x = 707,685.90

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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.