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Finding the Fourth Proportional to 576,240.12, 864,586.98 and 291,774.60

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Solution

The fourth proportional to 576,240.12, 864,586.98 and 291,774.60 is: 437,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,240.12 : 864,586.98 = 291,774.60 : x
  2. Step 2: Convert to fraction form
    576,240.12/864,586.98 = 291,774.60/x
  3. Step 3: Cross multiply
    576,240.12x = 864,586.98 × 291,774.60
  4. Step 4: Simplify right side
    576,240.12x = 252,264,520,254.71
  5. Step 5: Solve for x
    x = 252,264,520,254.71/576,240.12
  6. Step 6: Final answer
    x = 437,776.74

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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.