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Finding the Fourth Proportional to 573,653,251.80, 860,479,877.70 and 164,656,258.20

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Solution

The fourth proportional to 573,653,251.80, 860,479,877.70 and 164,656,258.20 is: 246,984,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,653,251.80 : 860,479,877.70 = 164,656,258.20 : x
  2. Step 2: Convert to fraction form
    573,653,251.80/860,479,877.70 = 164,656,258.20/x
  3. Step 3: Cross multiply
    573,653,251.80x = 860,479,877.70 × 164,656,258.20
  4. Step 4: Simplify right side
    573,653,251.80x = 141,683,396,918,475,616
  5. Step 5: Solve for x
    x = 141,683,396,918,475,616/573,653,251.80
  6. Step 6: Final answer
    x = 246,984,387.30

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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.