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Finding the Fourth Proportional to 423,882.84, 634,262.58 and 255,502.20

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Solution

The fourth proportional to 423,882.84, 634,262.58 and 255,502.20 is: 382,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,882.84 : 634,262.58 = 255,502.20 : x
  2. Step 2: Convert to fraction form
    423,882.84/634,262.58 = 255,502.20/x
  3. Step 3: Cross multiply
    423,882.84x = 634,262.58 × 255,502.20
  4. Step 4: Simplify right side
    423,882.84x = 162,055,484,567.68
  5. Step 5: Solve for x
    x = 162,055,484,567.68/423,882.84
  6. Step 6: Final answer
    x = 382,311.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.