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Finding the Fourth Proportional to 374,655.12, 516,867.12 and 245,624.52

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Solution

The fourth proportional to 374,655.12, 516,867.12 and 245,624.52 is: 338,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,655.12 : 516,867.12 = 245,624.52 : x
  2. Step 2: Convert to fraction form
    374,655.12/516,867.12 = 245,624.52/x
  3. Step 3: Cross multiply
    374,655.12x = 516,867.12 × 245,624.52
  4. Step 4: Simplify right side
    374,655.12x = 126,955,238,253.78
  5. Step 5: Solve for x
    x = 126,955,238,253.78/374,655.12
  6. Step 6: Final answer
    x = 338,858.94

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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.