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Finding the Fourth Proportional to 469,312.42, 703,551.13 and 169,726.40

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Solution

The fourth proportional to 469,312.42, 703,551.13 and 169,726.40 is: 254,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,312.42 : 703,551.13 = 169,726.40 : x
  2. Step 2: Convert to fraction form
    469,312.42/703,551.13 = 169,726.40/x
  3. Step 3: Cross multiply
    469,312.42x = 703,551.13 × 169,726.40
  4. Step 4: Simplify right side
    469,312.42x = 119,411,200,510.83
  5. Step 5: Solve for x
    x = 119,411,200,510.83/469,312.42
  6. Step 6: Final answer
    x = 254,438.61

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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.