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Finding the Fourth Proportional to 573,155.04, 860,396.80 and 307,434.56

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Solution

The fourth proportional to 573,155.04, 860,396.80 and 307,434.56 is: 461,508.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,155.04 : 860,396.80 = 307,434.56 : x
  2. Step 2: Convert to fraction form
    573,155.04/860,396.80 = 307,434.56/x
  3. Step 3: Cross multiply
    573,155.04x = 860,396.80 × 307,434.56
  4. Step 4: Simplify right side
    573,155.04x = 264,515,711,633.41
  5. Step 5: Solve for x
    x = 264,515,711,633.41/573,155.04
  6. Step 6: Final answer
    x = 461,508.13

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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.