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Finding the Fourth Proportional to 484,994.13, 727,491.33 and 148,036.70

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Solution

The fourth proportional to 484,994.13, 727,491.33 and 148,036.70 is: 222,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,994.13 : 727,491.33 = 148,036.70 : x
  2. Step 2: Convert to fraction form
    484,994.13/727,491.33 = 148,036.70/x
  3. Step 3: Cross multiply
    484,994.13x = 727,491.33 × 148,036.70
  4. Step 4: Simplify right side
    484,994.13x = 107,695,412,134.35
  5. Step 5: Solve for x
    x = 107,695,412,134.35/484,994.13
  6. Step 6: Final answer
    x = 222,055.08

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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.