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Finding the Fourth Proportional to 484,920.69, 669,211.32 and 270,060.76

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Solution

The fourth proportional to 484,920.69, 669,211.32 and 270,060.76 is: 372,695.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,920.69 : 669,211.32 = 270,060.76 : x
  2. Step 2: Convert to fraction form
    484,920.69/669,211.32 = 270,060.76/x
  3. Step 3: Cross multiply
    484,920.69x = 669,211.32 × 270,060.76
  4. Step 4: Simplify right side
    484,920.69x = 180,727,712,983.44
  5. Step 5: Solve for x
    x = 180,727,712,983.44/484,920.69
  6. Step 6: Final answer
    x = 372,695.41

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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.