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Finding the Fourth Proportional to 351,587.44, 527,412.24 and 98,870.08

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Solution

The fourth proportional to 351,587.44, 527,412.24 and 98,870.08 is: 148,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,587.44 : 527,412.24 = 98,870.08 : x
  2. Step 2: Convert to fraction form
    351,587.44/527,412.24 = 98,870.08/x
  3. Step 3: Cross multiply
    351,587.44x = 527,412.24 × 98,870.08
  4. Step 4: Simplify right side
    351,587.44x = 52,145,290,361.78
  5. Step 5: Solve for x
    x = 52,145,290,361.78/351,587.44
  6. Step 6: Final answer
    x = 148,313.86

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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.