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Finding the Fourth Proportional to 573,711,221.70, 860,566,832.55 and 185,573,287.35

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Solution

The fourth proportional to 573,711,221.70, 860,566,832.55 and 185,573,287.35 is: 278,359,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,711,221.70 : 860,566,832.55 = 185,573,287.35 : x
  2. Step 2: Convert to fraction form
    573,711,221.70/860,566,832.55 = 185,573,287.35/x
  3. Step 3: Cross multiply
    573,711,221.70x = 860,566,832.55 × 185,573,287.35
  4. Step 4: Simplify right side
    573,711,221.70x = 159,698,216,100,680,480
  5. Step 5: Solve for x
    x = 159,698,216,100,680,480/573,711,221.70
  6. Step 6: Final answer
    x = 278,359,931.03

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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.