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Finding the Fourth Proportional to 488,592,003.70, 732,888,005.55 and 435,022,750.90

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Solution

The fourth proportional to 488,592,003.70, 732,888,005.55 and 435,022,750.90 is: 652,534,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,592,003.70 : 732,888,005.55 = 435,022,750.90 : x
  2. Step 2: Convert to fraction form
    488,592,003.70/732,888,005.55 = 435,022,750.90/x
  3. Step 3: Cross multiply
    488,592,003.70x = 732,888,005.55 × 435,022,750.90
  4. Step 4: Simplify right side
    488,592,003.70x = 318,822,956,275,975,424
  5. Step 5: Solve for x
    x = 318,822,956,275,975,424/488,592,003.70
  6. Step 6: Final answer
    x = 652,534,126.35

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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.