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Finding the Fourth Proportional to 610,065.45, 841,940.71 and 338,218.61

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Solution

The fourth proportional to 610,065.45, 841,940.71 and 338,218.61 is: 466,769.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,065.45 : 841,940.71 = 338,218.61 : x
  2. Step 2: Convert to fraction form
    610,065.45/841,940.71 = 338,218.61/x
  3. Step 3: Cross multiply
    610,065.45x = 841,940.71 × 338,218.61
  4. Step 4: Simplify right side
    610,065.45x = 284,760,011,583.36
  5. Step 5: Solve for x
    x = 284,760,011,583.36/610,065.45
  6. Step 6: Final answer
    x = 466,769.61

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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.