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Finding the Fourth Proportional to 1,660,748.71, 2,292,002.55 and 1,016,594.59

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Solution

The fourth proportional to 1,660,748.71, 2,292,002.55 and 1,016,594.59 is: 1,403,004.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,748.71 : 2,292,002.55 = 1,016,594.59 : x
  2. Step 2: Convert to fraction form
    1,660,748.71/2,292,002.55 = 1,016,594.59/x
  3. Step 3: Cross multiply
    1,660,748.71x = 2,292,002.55 × 1,016,594.59
  4. Step 4: Simplify right side
    1,660,748.71x = 2,330,037,392,596.20
  5. Step 5: Solve for x
    x = 2,330,037,392,596.20/1,660,748.71
  6. Step 6: Final answer
    x = 1,403,004.19

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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.