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Finding the Fourth Proportional to 435,479.38, 653,051.13 and 169,204.84

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Solution

The fourth proportional to 435,479.38, 653,051.13 and 169,204.84 is: 253,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,479.38 : 653,051.13 = 169,204.84 : x
  2. Step 2: Convert to fraction form
    435,479.38/653,051.13 = 169,204.84/x
  3. Step 3: Cross multiply
    435,479.38x = 653,051.13 × 169,204.84
  4. Step 4: Simplify right side
    435,479.38x = 110,499,411,963.47
  5. Step 5: Solve for x
    x = 110,499,411,963.47/435,479.38
  6. Step 6: Final answer
    x = 253,742.01

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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.