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Finding the Fourth Proportional to 610,144.40, 841,910.76 and 338,212.13

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Solution

The fourth proportional to 610,144.40, 841,910.76 and 338,212.13 is: 466,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,144.40 : 841,910.76 = 338,212.13 : x
  2. Step 2: Convert to fraction form
    610,144.40/841,910.76 = 338,212.13/x
  3. Step 3: Cross multiply
    610,144.40x = 841,910.76 × 338,212.13
  4. Step 4: Simplify right side
    610,144.40x = 284,744,427,199.97
  5. Step 5: Solve for x
    x = 284,744,427,199.97/610,144.40
  6. Step 6: Final answer
    x = 466,683.67

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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.