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Finding the Fourth Proportional to 573,043.60, 859,565.40 and 473,316.40

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Solution

The fourth proportional to 573,043.60, 859,565.40 and 473,316.40 is: 709,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,043.60 : 859,565.40 = 473,316.40 : x
  2. Step 2: Convert to fraction form
    573,043.60/859,565.40 = 473,316.40/x
  3. Step 3: Cross multiply
    573,043.60x = 859,565.40 × 473,316.40
  4. Step 4: Simplify right side
    573,043.60x = 406,846,400,692.56
  5. Step 5: Solve for x
    x = 406,846,400,692.56/573,043.60
  6. Step 6: Final answer
    x = 709,974.60

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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.