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Finding the Fourth Proportional to 1,974,561.92, 2,961,957.70 and 554,728.71

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Solution

The fourth proportional to 1,974,561.92, 2,961,957.70 and 554,728.71 is: 832,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,561.92 : 2,961,957.70 = 554,728.71 : x
  2. Step 2: Convert to fraction form
    1,974,561.92/2,961,957.70 = 554,728.71/x
  3. Step 3: Cross multiply
    1,974,561.92x = 2,961,957.70 × 554,728.71
  4. Step 4: Simplify right side
    1,974,561.92x = 1,643,082,973,995.57
  5. Step 5: Solve for x
    x = 1,643,082,973,995.57/1,974,561.92
  6. Step 6: Final answer
    x = 832,125.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.