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Finding the Fourth Proportional to 480,289.92, 720,434.88 and 125,303.04

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Solution

The fourth proportional to 480,289.92, 720,434.88 and 125,303.04 is: 187,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,289.92 : 720,434.88 = 125,303.04 : x
  2. Step 2: Convert to fraction form
    480,289.92/720,434.88 = 125,303.04/x
  3. Step 3: Cross multiply
    480,289.92x = 720,434.88 × 125,303.04
  4. Step 4: Simplify right side
    480,289.92x = 90,272,680,586.04
  5. Step 5: Solve for x
    x = 90,272,680,586.04/480,289.92
  6. Step 6: Final answer
    x = 187,954.56

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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.