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Finding the Fourth Proportional to 435,671.16, 653,547.08 and 169,451.88

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Solution

The fourth proportional to 435,671.16, 653,547.08 and 169,451.88 is: 254,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,671.16 : 653,547.08 = 169,451.88 : x
  2. Step 2: Convert to fraction form
    435,671.16/653,547.08 = 169,451.88/x
  3. Step 3: Cross multiply
    435,671.16x = 653,547.08 × 169,451.88
  4. Step 4: Simplify right side
    435,671.16x = 110,744,781,374.51
  5. Step 5: Solve for x
    x = 110,744,781,374.51/435,671.16
  6. Step 6: Final answer
    x = 254,193.51

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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.