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Finding the Fourth Proportional to 435,657.16, 653,526.06 and 169,437.88

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Solution

The fourth proportional to 435,657.16, 653,526.06 and 169,437.88 is: 254,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,657.16 : 653,526.06 = 169,437.88 : x
  2. Step 2: Convert to fraction form
    435,657.16/653,526.06 = 169,437.88/x
  3. Step 3: Cross multiply
    435,657.16x = 653,526.06 × 169,437.88
  4. Step 4: Simplify right side
    435,657.16x = 110,732,070,131.15
  5. Step 5: Solve for x
    x = 110,732,070,131.15/435,657.16
  6. Step 6: Final answer
    x = 254,172.50

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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.