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Finding the Fourth Proportional to 484,327.77, 726,602.22 and 147,416.18

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Solution

The fourth proportional to 484,327.77, 726,602.22 and 147,416.18 is: 221,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,327.77 : 726,602.22 = 147,416.18 : x
  2. Step 2: Convert to fraction form
    484,327.77/726,602.22 = 147,416.18/x
  3. Step 3: Cross multiply
    484,327.77x = 726,602.22 × 147,416.18
  4. Step 4: Simplify right side
    484,327.77x = 107,112,920,018.91
  5. Step 5: Solve for x
    x = 107,112,920,018.91/484,327.77
  6. Step 6: Final answer
    x = 221,157.92

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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.