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Finding the Fourth Proportional to 480,088.16, 720,584.22 and 243,600.56

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Solution

The fourth proportional to 480,088.16, 720,584.22 and 243,600.56 is: 365,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,088.16 : 720,584.22 = 243,600.56 : x
  2. Step 2: Convert to fraction form
    480,088.16/720,584.22 = 243,600.56/x
  3. Step 3: Cross multiply
    480,088.16x = 720,584.22 × 243,600.56
  4. Step 4: Simplify right side
    480,088.16x = 175,534,719,519.16
  5. Step 5: Solve for x
    x = 175,534,719,519.16/480,088.16
  6. Step 6: Final answer
    x = 365,630.18

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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.