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Finding the Fourth Proportional to 452,023.30, 623,861.85 and 261,021.70

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Solution

The fourth proportional to 452,023.30, 623,861.85 and 261,021.70 is: 360,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,023.30 : 623,861.85 = 261,021.70 : x
  2. Step 2: Convert to fraction form
    452,023.30/623,861.85 = 261,021.70/x
  3. Step 3: Cross multiply
    452,023.30x = 623,861.85 × 261,021.70
  4. Step 4: Simplify right side
    452,023.30x = 162,841,480,652.15
  5. Step 5: Solve for x
    x = 162,841,480,652.15/452,023.30
  6. Step 6: Final answer
    x = 360,250.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.