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Finding the Fourth Proportional to 488,322.41, 732,521.48 and 146,739.16

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Solution

The fourth proportional to 488,322.41, 732,521.48 and 146,739.16 is: 220,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,322.41 : 732,521.48 = 146,739.16 : x
  2. Step 2: Convert to fraction form
    488,322.41/732,521.48 = 146,739.16/x
  3. Step 3: Cross multiply
    488,322.41x = 732,521.48 × 146,739.16
  4. Step 4: Simplify right side
    488,322.41x = 107,489,586,839.11
  5. Step 5: Solve for x
    x = 107,489,586,839.11/488,322.41
  6. Step 6: Final answer
    x = 220,120.12

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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.