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Finding the Fourth Proportional to 469,394.18, 703,810.04 and 149,407.88

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Solution

The fourth proportional to 469,394.18, 703,810.04 and 149,407.88 is: 224,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,394.18 : 703,810.04 = 149,407.88 : x
  2. Step 2: Convert to fraction form
    469,394.18/703,810.04 = 149,407.88/x
  3. Step 3: Cross multiply
    469,394.18x = 703,810.04 × 149,407.88
  4. Step 4: Simplify right side
    469,394.18x = 105,154,765,999.12
  5. Step 5: Solve for x
    x = 105,154,765,999.12/469,394.18
  6. Step 6: Final answer
    x = 224,022.30

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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.