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Finding the Fourth Proportional to 750,794.60, 1,126,358.14 and 413,661.64

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Solution

The fourth proportional to 750,794.60, 1,126,358.14 and 413,661.64 is: 620,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,794.60 : 1,126,358.14 = 413,661.64 : x
  2. Step 2: Convert to fraction form
    750,794.60/1,126,358.14 = 413,661.64/x
  3. Step 3: Cross multiply
    750,794.60x = 1,126,358.14 × 413,661.64
  4. Step 4: Simplify right side
    750,794.60x = 465,931,155,419.75
  5. Step 5: Solve for x
    x = 465,931,155,419.75/750,794.60
  6. Step 6: Final answer
    x = 620,584.05

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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.