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Finding the Fourth Proportional to 868,150.60, 1,300,476.30 and 584,715.40

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Solution

The fourth proportional to 868,150.60, 1,300,476.30 and 584,715.40 is: 875,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,150.60 : 1,300,476.30 = 584,715.40 : x
  2. Step 2: Convert to fraction form
    868,150.60/1,300,476.30 = 584,715.40/x
  3. Step 3: Cross multiply
    868,150.60x = 1,300,476.30 × 584,715.40
  4. Step 4: Simplify right side
    868,150.60x = 760,408,519,945.02
  5. Step 5: Solve for x
    x = 760,408,519,945.02/868,150.60
  6. Step 6: Final answer
    x = 875,894.71

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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.