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Finding the Fourth Proportional to 576,066.10, 864,099.15 and 365,077.30

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Solution

The fourth proportional to 576,066.10, 864,099.15 and 365,077.30 is: 547,615.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,066.10 : 864,099.15 = 365,077.30 : x
  2. Step 2: Convert to fraction form
    576,066.10/864,099.15 = 365,077.30/x
  3. Step 3: Cross multiply
    576,066.10x = 864,099.15 × 365,077.30
  4. Step 4: Simplify right side
    576,066.10x = 315,462,984,614.30
  5. Step 5: Solve for x
    x = 315,462,984,614.30/576,066.10
  6. Step 6: Final answer
    x = 547,615.95

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Double scale
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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.