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Finding the Fourth Proportional to 594,518,793.60, 891,778,190.40 and 387,894,532.80

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Solution

The fourth proportional to 594,518,793.60, 891,778,190.40 and 387,894,532.80 is: 581,841,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,518,793.60 : 891,778,190.40 = 387,894,532.80 : x
  2. Step 2: Convert to fraction form
    594,518,793.60/891,778,190.40 = 387,894,532.80/x
  3. Step 3: Cross multiply
    594,518,793.60x = 891,778,190.40 × 387,894,532.80
  4. Step 4: Simplify right side
    594,518,793.60x = 345,915,884,526,437,440
  5. Step 5: Solve for x
    x = 345,915,884,526,437,440/594,518,793.60
  6. Step 6: Final answer
    x = 581,841,799.20

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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.