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Finding the Fourth Proportional to 469,393.32, 703,808.76 and 149,406.96

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Solution

The fourth proportional to 469,393.32, 703,808.76 and 149,406.96 is: 224,020.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,393.32 : 703,808.76 = 149,406.96 : x
  2. Step 2: Convert to fraction form
    469,393.32/703,808.76 = 149,406.96/x
  3. Step 3: Cross multiply
    469,393.32x = 703,808.76 × 149,406.96
  4. Step 4: Simplify right side
    469,393.32x = 105,153,927,252.97
  5. Step 5: Solve for x
    x = 105,153,927,252.97/469,393.32
  6. Step 6: Final answer
    x = 224,020.93

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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.