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Finding the Fourth Proportional to 463,380.48, 695,125.44 and 147,726.72

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Solution

The fourth proportional to 463,380.48, 695,125.44 and 147,726.72 is: 221,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,380.48 : 695,125.44 = 147,726.72 : x
  2. Step 2: Convert to fraction form
    463,380.48/695,125.44 = 147,726.72/x
  3. Step 3: Cross multiply
    463,380.48x = 695,125.44 × 147,726.72
  4. Step 4: Simplify right side
    463,380.48x = 102,688,601,239.76
  5. Step 5: Solve for x
    x = 102,688,601,239.76/463,380.48
  6. Step 6: Final answer
    x = 221,607.52

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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.