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Finding the Fourth Proportional to 480,344.48, 720,595.02 and 147,920.48

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Solution

The fourth proportional to 480,344.48, 720,595.02 and 147,920.48 is: 221,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,344.48 : 720,595.02 = 147,920.48 : x
  2. Step 2: Convert to fraction form
    480,344.48/720,595.02 = 147,920.48/x
  3. Step 3: Cross multiply
    480,344.48x = 720,595.02 × 147,920.48
  4. Step 4: Simplify right side
    480,344.48x = 106,590,761,244.01
  5. Step 5: Solve for x
    x = 106,590,761,244.01/480,344.48
  6. Step 6: Final answer
    x = 221,904.83

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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.