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Finding the Fourth Proportional to 435,475.06, 653,253.66 and 169,255.96

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Solution

The fourth proportional to 435,475.06, 653,253.66 and 169,255.96 is: 253,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,475.06 : 653,253.66 = 169,255.96 : x
  2. Step 2: Convert to fraction form
    435,475.06/653,253.66 = 169,255.96/x
  3. Step 3: Cross multiply
    435,475.06x = 653,253.66 × 169,255.96
  4. Step 4: Simplify right side
    435,475.06x = 110,567,075,346.81
  5. Step 5: Solve for x
    x = 110,567,075,346.81/435,475.06
  6. Step 6: Final answer
    x = 253,899.90

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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.