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Finding the Fourth Proportional to 1,762,560, 2,432,332.80 and 957,744

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Solution

The fourth proportional to 1,762,560, 2,432,332.80 and 957,744 is: 1,321,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,560 : 2,432,332.80 = 957,744 : x
  2. Step 2: Convert to fraction form
    1,762,560/2,432,332.80 = 957,744/x
  3. Step 3: Cross multiply
    1,762,560x = 2,432,332.80 × 957,744
  4. Step 4: Simplify right side
    1,762,560x = 2,329,552,145,203.20
  5. Step 5: Solve for x
    x = 2,329,552,145,203.20/1,762,560
  6. Step 6: Final answer
    x = 1,321,686.72

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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.