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Finding the Fourth Proportional to 423,250.78, 584,102.90 and 232,271

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Solution

The fourth proportional to 423,250.78, 584,102.90 and 232,271 is: 320,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,250.78 : 584,102.90 = 232,271 : x
  2. Step 2: Convert to fraction form
    423,250.78/584,102.90 = 232,271/x
  3. Step 3: Cross multiply
    423,250.78x = 584,102.90 × 232,271
  4. Step 4: Simplify right side
    423,250.78x = 135,670,164,685.90
  5. Step 5: Solve for x
    x = 135,670,164,685.90/423,250.78
  6. Step 6: Final answer
    x = 320,543.21

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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.