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Finding the Fourth Proportional to 1,336,560.48, 1,844,376.48 and 732,948.48

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Solution

The fourth proportional to 1,336,560.48, 1,844,376.48 and 732,948.48 is: 1,011,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,560.48 : 1,844,376.48 = 732,948.48 : x
  2. Step 2: Convert to fraction form
    1,336,560.48/1,844,376.48 = 732,948.48/x
  3. Step 3: Cross multiply
    1,336,560.48x = 1,844,376.48 × 732,948.48
  4. Step 4: Simplify right side
    1,336,560.48x = 1,351,832,937,563.75
  5. Step 5: Solve for x
    x = 1,351,832,937,563.75/1,336,560.48
  6. Step 6: Final answer
    x = 1,011,426.69

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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.