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Finding the Fourth Proportional to 1,788,668.52, 2,468,360.76 and 1,024,725.12

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Solution

The fourth proportional to 1,788,668.52, 2,468,360.76 and 1,024,725.12 is: 1,414,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,668.52 : 2,468,360.76 = 1,024,725.12 : x
  2. Step 2: Convert to fraction form
    1,788,668.52/2,468,360.76 = 1,024,725.12/x
  3. Step 3: Cross multiply
    1,788,668.52x = 2,468,360.76 × 1,024,725.12
  4. Step 4: Simplify right side
    1,788,668.52x = 2,529,391,275,994.29
  5. Step 5: Solve for x
    x = 2,529,391,275,994.29/1,788,668.52
  6. Step 6: Final answer
    x = 1,414,119.64

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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.