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Finding the Fourth Proportional to 573,060.80, 859,591.20 and 146,595.80

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Solution

The fourth proportional to 573,060.80, 859,591.20 and 146,595.80 is: 219,893.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,060.80 : 859,591.20 = 146,595.80 : x
  2. Step 2: Convert to fraction form
    573,060.80/859,591.20 = 146,595.80/x
  3. Step 3: Cross multiply
    573,060.80x = 859,591.20 × 146,595.80
  4. Step 4: Simplify right side
    573,060.80x = 126,012,459,636.96
  5. Step 5: Solve for x
    x = 126,012,459,636.96/573,060.80
  6. Step 6: Final answer
    x = 219,893.70

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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.