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Finding the Fourth Proportional to 378,545.76, 567,818.64 and 98,063

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Solution

The fourth proportional to 378,545.76, 567,818.64 and 98,063 is: 147,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,545.76 : 567,818.64 = 98,063 : x
  2. Step 2: Convert to fraction form
    378,545.76/567,818.64 = 98,063/x
  3. Step 3: Cross multiply
    378,545.76x = 567,818.64 × 98,063
  4. Step 4: Simplify right side
    378,545.76x = 55,681,999,294.32
  5. Step 5: Solve for x
    x = 55,681,999,294.32/378,545.76
  6. Step 6: Final answer
    x = 147,094.50

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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.