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Finding the Fourth Proportional to 482,862.70, 724,006.05 and 296,008.30

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Solution

The fourth proportional to 482,862.70, 724,006.05 and 296,008.30 is: 443,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,862.70 : 724,006.05 = 296,008.30 : x
  2. Step 2: Convert to fraction form
    482,862.70/724,006.05 = 296,008.30/x
  3. Step 3: Cross multiply
    482,862.70x = 724,006.05 × 296,008.30
  4. Step 4: Simplify right side
    482,862.70x = 214,311,800,050.22
  5. Step 5: Solve for x
    x = 214,311,800,050.22/482,862.70
  6. Step 6: Final answer
    x = 443,835.90

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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.