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Finding the Fourth Proportional to 424,711.48, 637,461.06 and 214,496.92

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Solution

The fourth proportional to 424,711.48, 637,461.06 and 214,496.92 is: 321,944.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,711.48 : 637,461.06 = 214,496.92 : x
  2. Step 2: Convert to fraction form
    424,711.48/637,461.06 = 214,496.92/x
  3. Step 3: Cross multiply
    424,711.48x = 637,461.06 × 214,496.92
  4. Step 4: Simplify right side
    424,711.48x = 136,733,433,989.94
  5. Step 5: Solve for x
    x = 136,733,433,989.94/424,711.48
  6. Step 6: Final answer
    x = 321,944.29

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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.