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Finding the Fourth Proportional to 482,864.70, 724,009.05 and 296,010.30

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Solution

The fourth proportional to 482,864.70, 724,009.05 and 296,010.30 is: 443,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,864.70 : 724,009.05 = 296,010.30 : x
  2. Step 2: Convert to fraction form
    482,864.70/724,009.05 = 296,010.30/x
  3. Step 3: Cross multiply
    482,864.70x = 724,009.05 × 296,010.30
  4. Step 4: Simplify right side
    482,864.70x = 214,314,136,093.22
  5. Step 5: Solve for x
    x = 214,314,136,093.22/482,864.70
  6. Step 6: Final answer
    x = 443,838.90

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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.