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Finding the Fourth Proportional to 498,717,009.20, 746,374,902.60 and 498,717,009.20

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Solution

The fourth proportional to 498,717,009.20, 746,374,902.60 and 498,717,009.20 is: 746,374,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,717,009.20 : 746,374,902.60 = 498,717,009.20 : x
  2. Step 2: Convert to fraction form
    498,717,009.20/746,374,902.60 = 498,717,009.20/x
  3. Step 3: Cross multiply
    498,717,009.20x = 746,374,902.60 × 498,717,009.20
  4. Step 4: Simplify right side
    498,717,009.20x = 372,229,859,166,613,312
  5. Step 5: Solve for x
    x = 372,229,859,166,613,312/498,717,009.20
  6. Step 6: Final answer
    x = 746,374,902.60

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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.