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Finding the Fourth Proportional to 435,773.16, 653,493.69 and 169,501.86

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Solution

The fourth proportional to 435,773.16, 653,493.69 and 169,501.86 is: 254,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,773.16 : 653,493.69 = 169,501.86 : x
  2. Step 2: Convert to fraction form
    435,773.16/653,493.69 = 169,501.86/x
  3. Step 3: Cross multiply
    435,773.16x = 653,493.69 × 169,501.86
  4. Step 4: Simplify right side
    435,773.16x = 110,768,395,953.26
  5. Step 5: Solve for x
    x = 110,768,395,953.26/435,773.16
  6. Step 6: Final answer
    x = 254,188.20

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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.