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Finding the Fourth Proportional to 480,535.56, 720,794.16 and 143,577.18

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Solution

The fourth proportional to 480,535.56, 720,794.16 and 143,577.18 is: 215,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,535.56 : 720,794.16 = 143,577.18 : x
  2. Step 2: Convert to fraction form
    480,535.56/720,794.16 = 143,577.18/x
  3. Step 3: Cross multiply
    480,535.56x = 720,794.16 × 143,577.18
  4. Step 4: Simplify right side
    480,535.56x = 103,489,592,853.27
  5. Step 5: Solve for x
    x = 103,489,592,853.27/480,535.56
  6. Step 6: Final answer
    x = 215,363.03

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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.