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Finding the Fourth Proportional to 572,565,044.72, 789,890,259.72 and 360,743,291.36

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Solution

The fourth proportional to 572,565,044.72, 789,890,259.72 and 360,743,291.36 is: 497,668,543.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,565,044.72 : 789,890,259.72 = 360,743,291.36 : x
  2. Step 2: Convert to fraction form
    572,565,044.72/789,890,259.72 = 360,743,291.36/x
  3. Step 3: Cross multiply
    572,565,044.72x = 789,890,259.72 × 360,743,291.36
  4. Step 4: Simplify right side
    572,565,044.72x = 284,947,612,104,598,048
  5. Step 5: Solve for x
    x = 284,947,612,104,598,048/572,565,044.72
  6. Step 6: Final answer
    x = 497,668,543.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.