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Finding the Fourth Proportional to 1,719,134.04, 2,578,786.71 and 654,258.63

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Solution

The fourth proportional to 1,719,134.04, 2,578,786.71 and 654,258.63 is: 981,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,134.04 : 2,578,786.71 = 654,258.63 : x
  2. Step 2: Convert to fraction form
    1,719,134.04/2,578,786.71 = 654,258.63/x
  3. Step 3: Cross multiply
    1,719,134.04x = 2,578,786.71 × 654,258.63
  4. Step 4: Simplify right side
    1,719,134.04x = 1,687,193,459,946.81
  5. Step 5: Solve for x
    x = 1,687,193,459,946.81/1,719,134.04
  6. Step 6: Final answer
    x = 981,420.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.