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Finding the Fourth Proportional to 610,139.83, 841,904.57 and 338,207.64

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Solution

The fourth proportional to 610,139.83, 841,904.57 and 338,207.64 is: 466,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,139.83 : 841,904.57 = 338,207.64 : x
  2. Step 2: Convert to fraction form
    610,139.83/841,904.57 = 338,207.64/x
  3. Step 3: Cross multiply
    610,139.83x = 841,904.57 × 338,207.64
  4. Step 4: Simplify right side
    610,139.83x = 284,738,557,724.92
  5. Step 5: Solve for x
    x = 284,738,557,724.92/610,139.83
  6. Step 6: Final answer
    x = 466,677.54

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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.