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Finding the Fourth Proportional to 480,168.32, 662,630.91 and 265,306.86

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Solution

The fourth proportional to 480,168.32, 662,630.91 and 265,306.86 is: 366,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,168.32 : 662,630.91 = 265,306.86 : x
  2. Step 2: Convert to fraction form
    480,168.32/662,630.91 = 265,306.86/x
  3. Step 3: Cross multiply
    480,168.32x = 662,630.91 × 265,306.86
  4. Step 4: Simplify right side
    480,168.32x = 175,800,526,071.04
  5. Step 5: Solve for x
    x = 175,800,526,071.04/480,168.32
  6. Step 6: Final answer
    x = 366,122.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.