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Finding the Fourth Proportional to 609,962.40, 841,750.28 and 338,034.90

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Solution

The fourth proportional to 609,962.40, 841,750.28 and 338,034.90 is: 466,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,962.40 : 841,750.28 = 338,034.90 : x
  2. Step 2: Convert to fraction form
    609,962.40/841,750.28 = 338,034.90/x
  3. Step 3: Cross multiply
    609,962.40x = 841,750.28 × 338,034.90
  4. Step 4: Simplify right side
    609,962.40x = 284,540,974,458.79
  5. Step 5: Solve for x
    x = 284,540,974,458.79/609,962.40
  6. Step 6: Final answer
    x = 466,489.37

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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.