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Finding the Fourth Proportional to 1,792,585.89, 2,473,768.89 and 976,789.71

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Solution

The fourth proportional to 1,792,585.89, 2,473,768.89 and 976,789.71 is: 1,347,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,585.89 : 2,473,768.89 = 976,789.71 : x
  2. Step 2: Convert to fraction form
    1,792,585.89/2,473,768.89 = 976,789.71/x
  3. Step 3: Cross multiply
    1,792,585.89x = 2,473,768.89 × 976,789.71
  4. Step 4: Simplify right side
    1,792,585.89x = 2,416,351,996,670.12
  5. Step 5: Solve for x
    x = 2,416,351,996,670.12/1,792,585.89
  6. Step 6: Final answer
    x = 1,347,970.00

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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.