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Finding the Fourth Proportional to 576,000.10, 864,000.15 and 365,875.30

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Solution

The fourth proportional to 576,000.10, 864,000.15 and 365,875.30 is: 548,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,000.10 : 864,000.15 = 365,875.30 : x
  2. Step 2: Convert to fraction form
    576,000.10/864,000.15 = 365,875.30/x
  3. Step 3: Cross multiply
    576,000.10x = 864,000.15 × 365,875.30
  4. Step 4: Simplify right side
    576,000.10x = 316,116,314,081.30
  5. Step 5: Solve for x
    x = 316,116,314,081.30/576,000.10
  6. Step 6: Final answer
    x = 548,812.95

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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.