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Finding the Fourth Proportional to 374,169.40, 516,352.88 and 204,404.74

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Solution

The fourth proportional to 374,169.40, 516,352.88 and 204,404.74 is: 282,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,169.40 : 516,352.88 = 204,404.74 : x
  2. Step 2: Convert to fraction form
    374,169.40/516,352.88 = 204,404.74/x
  3. Step 3: Cross multiply
    374,169.40x = 516,352.88 × 204,404.74
  4. Step 4: Simplify right side
    374,169.40x = 105,544,975,404.78
  5. Step 5: Solve for x
    x = 105,544,975,404.78/374,169.40
  6. Step 6: Final answer
    x = 282,078.05

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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.