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Finding the Fourth Proportional to 573,713,206.20, 860,569,809.30 and 185,814,420.30

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Solution

The fourth proportional to 573,713,206.20, 860,569,809.30 and 185,814,420.30 is: 278,721,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,713,206.20 : 860,569,809.30 = 185,814,420.30 : x
  2. Step 2: Convert to fraction form
    573,713,206.20/860,569,809.30 = 185,814,420.30/x
  3. Step 3: Cross multiply
    573,713,206.20x = 860,569,809.30 × 185,814,420.30
  4. Step 4: Simplify right side
    573,713,206.20x = 159,906,280,242,761,056
  5. Step 5: Solve for x
    x = 159,906,280,242,761,056/573,713,206.20
  6. Step 6: Final answer
    x = 278,721,630.45

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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.