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Finding the Fourth Proportional to 573,859,378.80, 859,513,609.80 and 497,331,874.80

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Solution

The fourth proportional to 573,859,378.80, 859,513,609.80 and 497,331,874.80 is: 744,892,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,859,378.80 : 859,513,609.80 = 497,331,874.80 : x
  2. Step 2: Convert to fraction form
    573,859,378.80/859,513,609.80 = 497,331,874.80/x
  3. Step 3: Cross multiply
    573,859,378.80x = 859,513,609.80 × 497,331,874.80
  4. Step 4: Simplify right side
    573,859,378.80x = 427,463,514,977,949,632
  5. Step 5: Solve for x
    x = 427,463,514,977,949,632/573,859,378.80
  6. Step 6: Final answer
    x = 744,892,443.64

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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.