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Finding the Fourth Proportional to 486,695.04, 671,632.08 and 271,838.16

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Solution

The fourth proportional to 486,695.04, 671,632.08 and 271,838.16 is: 375,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,695.04 : 671,632.08 = 271,838.16 : x
  2. Step 2: Convert to fraction form
    486,695.04/671,632.08 = 271,838.16/x
  3. Step 3: Cross multiply
    486,695.04x = 671,632.08 × 271,838.16
  4. Step 4: Simplify right side
    486,695.04x = 182,575,228,824.17
  5. Step 5: Solve for x
    x = 182,575,228,824.17/486,695.04
  6. Step 6: Final answer
    x = 375,132.71

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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.