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Finding the Fourth Proportional to 567,503,582.40, 851,255,373.60 and 452,712,326.40

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Solution

The fourth proportional to 567,503,582.40, 851,255,373.60 and 452,712,326.40 is: 679,068,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,503,582.40 : 851,255,373.60 = 452,712,326.40 : x
  2. Step 2: Convert to fraction form
    567,503,582.40/851,255,373.60 = 452,712,326.40/x
  3. Step 3: Cross multiply
    567,503,582.40x = 851,255,373.60 × 452,712,326.40
  4. Step 4: Simplify right side
    567,503,582.40x = 385,373,800,542,957,120
  5. Step 5: Solve for x
    x = 385,373,800,542,957,120/567,503,582.40
  6. Step 6: Final answer
    x = 679,068,489.60

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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.