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Finding the Fourth Proportional to 480,112.04, 720,167.52 and 147,688.04

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Solution

The fourth proportional to 480,112.04, 720,167.52 and 147,688.04 is: 221,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,112.04 : 720,167.52 = 147,688.04 : x
  2. Step 2: Convert to fraction form
    480,112.04/720,167.52 = 147,688.04/x
  3. Step 3: Cross multiply
    480,112.04x = 720,167.52 × 147,688.04
  4. Step 4: Simplify right side
    480,112.04x = 106,360,129,500.46
  5. Step 5: Solve for x
    x = 106,360,129,500.46/480,112.04
  6. Step 6: Final answer
    x = 221,531.89

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1.5x scale

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.