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Finding the Fourth Proportional to 573,530.88, 860,294.40 and 147,066.24

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Solution

The fourth proportional to 573,530.88, 860,294.40 and 147,066.24 is: 220,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,530.88 : 860,294.40 = 147,066.24 : x
  2. Step 2: Convert to fraction form
    573,530.88/860,294.40 = 147,066.24/x
  3. Step 3: Cross multiply
    573,530.88x = 860,294.40 × 147,066.24
  4. Step 4: Simplify right side
    573,530.88x = 126,520,262,701.06
  5. Step 5: Solve for x
    x = 126,520,262,701.06/573,530.88
  6. Step 6: Final answer
    x = 220,598.87

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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.