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Finding the Fourth Proportional to 364,876.60, 547,314.90 and 299,266.60

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Solution

The fourth proportional to 364,876.60, 547,314.90 and 299,266.60 is: 448,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,876.60 : 547,314.90 = 299,266.60 : x
  2. Step 2: Convert to fraction form
    364,876.60/547,314.90 = 299,266.60/x
  3. Step 3: Cross multiply
    364,876.60x = 547,314.90 × 299,266.60
  4. Step 4: Simplify right side
    364,876.60x = 163,793,069,252.34
  5. Step 5: Solve for x
    x = 163,793,069,252.34/364,876.60
  6. Step 6: Final answer
    x = 448,899.90

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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.