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Finding the Fourth Proportional to 576,358.78, 864,538.16 and 295,697.02

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Solution

The fourth proportional to 576,358.78, 864,538.16 and 295,697.02 is: 443,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,358.78 : 864,538.16 = 295,697.02 : x
  2. Step 2: Convert to fraction form
    576,358.78/864,538.16 = 295,697.02/x
  3. Step 3: Cross multiply
    576,358.78x = 864,538.16 × 295,697.02
  4. Step 4: Simplify right side
    576,358.78x = 255,641,357,588.28
  5. Step 5: Solve for x
    x = 255,641,357,588.28/576,358.78
  6. Step 6: Final answer
    x = 443,545.52

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Similar ratio
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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.