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Finding the Fourth Proportional to 868,148.60, 1,300,473.30 and 584,713.40

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Solution

The fourth proportional to 868,148.60, 1,300,473.30 and 584,713.40 is: 875,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,148.60 : 1,300,473.30 = 584,713.40 : x
  2. Step 2: Convert to fraction form
    868,148.60/1,300,473.30 = 584,713.40/x
  3. Step 3: Cross multiply
    868,148.60x = 1,300,473.30 × 584,713.40
  4. Step 4: Simplify right side
    868,148.60x = 760,404,164,852.22
  5. Step 5: Solve for x
    x = 760,404,164,852.22/868,148.60
  6. Step 6: Final answer
    x = 875,891.71

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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.