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Finding the Fourth Proportional to 576,327.40, 864,491.10 and 366,116.20

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Solution

The fourth proportional to 576,327.40, 864,491.10 and 366,116.20 is: 549,174.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,327.40 : 864,491.10 = 366,116.20 : x
  2. Step 2: Convert to fraction form
    576,327.40/864,491.10 = 366,116.20/x
  3. Step 3: Cross multiply
    576,327.40x = 864,491.10 × 366,116.20
  4. Step 4: Simplify right side
    576,327.40x = 316,504,196,465.82
  5. Step 5: Solve for x
    x = 316,504,196,465.82/576,327.40
  6. Step 6: Final answer
    x = 549,174.30

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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.