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Finding the Fourth Proportional to 531,466,401.60, 797,199,602.40 and 482,998,982.40

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Solution

The fourth proportional to 531,466,401.60, 797,199,602.40 and 482,998,982.40 is: 724,498,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,466,401.60 : 797,199,602.40 = 482,998,982.40 : x
  2. Step 2: Convert to fraction form
    531,466,401.60/797,199,602.40 = 482,998,982.40/x
  3. Step 3: Cross multiply
    531,466,401.60x = 797,199,602.40 × 482,998,982.40
  4. Step 4: Simplify right side
    531,466,401.60x = 385,046,596,728,884,544
  5. Step 5: Solve for x
    x = 385,046,596,728,884,544/531,466,401.60
  6. Step 6: Final answer
    x = 724,498,473.60

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Similar ratio
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1.5x scale

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.