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Finding the Fourth Proportional to 573,070.80, 859,606.20 and 146,605.80

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Solution

The fourth proportional to 573,070.80, 859,606.20 and 146,605.80 is: 219,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,070.80 : 859,606.20 = 146,605.80 : x
  2. Step 2: Convert to fraction form
    573,070.80/859,606.20 = 146,605.80/x
  3. Step 3: Cross multiply
    573,070.80x = 859,606.20 × 146,605.80
  4. Step 4: Simplify right side
    573,070.80x = 126,023,254,635.96
  5. Step 5: Solve for x
    x = 126,023,254,635.96/573,070.80
  6. Step 6: Final answer
    x = 219,908.70

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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.