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Finding the Fourth Proportional to 435,665.16, 653,538.06 and 169,445.88

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Solution

The fourth proportional to 435,665.16, 653,538.06 and 169,445.88 is: 254,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,665.16 : 653,538.06 = 169,445.88 : x
  2. Step 2: Convert to fraction form
    435,665.16/653,538.06 = 169,445.88/x
  3. Step 3: Cross multiply
    435,665.16x = 653,538.06 × 169,445.88
  4. Step 4: Simplify right side
    435,665.16x = 110,739,331,690.19
  5. Step 5: Solve for x
    x = 110,739,331,690.19/435,665.16
  6. Step 6: Final answer
    x = 254,184.50

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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.