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Finding the Fourth Proportional to 610,072.34, 841,878.08 and 338,165.66

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Solution

The fourth proportional to 610,072.34, 841,878.08 and 338,165.66 is: 466,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,072.34 : 841,878.08 = 338,165.66 : x
  2. Step 2: Convert to fraction form
    610,072.34/841,878.08 = 338,165.66/x
  3. Step 3: Cross multiply
    610,072.34x = 841,878.08 × 338,165.66
  4. Step 4: Simplify right side
    610,072.34x = 284,694,256,562.73
  5. Step 5: Solve for x
    x = 284,694,256,562.73/610,072.34
  6. Step 6: Final answer
    x = 466,656.56

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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.