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Finding the Fourth Proportional to 484,998.66, 727,498.08 and 148,041.18

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Solution

The fourth proportional to 484,998.66, 727,498.08 and 148,041.18 is: 222,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,998.66 : 727,498.08 = 148,041.18 : x
  2. Step 2: Convert to fraction form
    484,998.66/727,498.08 = 148,041.18/x
  3. Step 3: Cross multiply
    484,998.66x = 727,498.08 × 148,041.18
  4. Step 4: Simplify right side
    484,998.66x = 107,699,674,210.93
  5. Step 5: Solve for x
    x = 107,699,674,210.93/484,998.66
  6. Step 6: Final answer
    x = 222,061.80

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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.