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Finding the Fourth Proportional to 576,095.40, 862,587.90 and 451,679.40

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Solution

The fourth proportional to 576,095.40, 862,587.90 and 451,679.40 is: 676,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,095.40 : 862,587.90 = 451,679.40 : x
  2. Step 2: Convert to fraction form
    576,095.40/862,587.90 = 451,679.40/x
  3. Step 3: Cross multiply
    576,095.40x = 862,587.90 × 451,679.40
  4. Step 4: Simplify right side
    576,095.40x = 389,613,185,119.26
  5. Step 5: Solve for x
    x = 389,613,185,119.26/576,095.40
  6. Step 6: Final answer
    x = 676,299.77

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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.