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Finding the Fourth Proportional to 360,392.46, 497,259.12 and 215,170.04

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Solution

The fourth proportional to 360,392.46, 497,259.12 and 215,170.04 is: 296,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,392.46 : 497,259.12 = 215,170.04 : x
  2. Step 2: Convert to fraction form
    360,392.46/497,259.12 = 215,170.04/x
  3. Step 3: Cross multiply
    360,392.46x = 497,259.12 × 215,170.04
  4. Step 4: Simplify right side
    360,392.46x = 106,995,264,740.77
  5. Step 5: Solve for x
    x = 106,995,264,740.77/360,392.46
  6. Step 6: Final answer
    x = 296,885.41

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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.