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Finding the Fourth Proportional to 357,256.91, 492,334.93 and 350,691.42

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Solution

The fourth proportional to 357,256.91, 492,334.93 and 350,691.42 is: 483,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,256.91 : 492,334.93 = 350,691.42 : x
  2. Step 2: Convert to fraction form
    357,256.91/492,334.93 = 350,691.42/x
  3. Step 3: Cross multiply
    357,256.91x = 492,334.93 × 350,691.42
  4. Step 4: Simplify right side
    357,256.91x = 172,657,635,717.30
  5. Step 5: Solve for x
    x = 172,657,635,717.30/357,256.91
  6. Step 6: Final answer
    x = 483,287.04

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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.