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Finding the Fourth Proportional to 591,104.60, 886,875.60 and 191,758.40

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Solution

The fourth proportional to 591,104.60, 886,875.60 and 191,758.40 is: 287,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,104.60 : 886,875.60 = 191,758.40 : x
  2. Step 2: Convert to fraction form
    591,104.60/886,875.60 = 191,758.40/x
  3. Step 3: Cross multiply
    591,104.60x = 886,875.60 × 191,758.40
  4. Step 4: Simplify right side
    591,104.60x = 170,065,846,055.04
  5. Step 5: Solve for x
    x = 170,065,846,055.04/591,104.60
  6. Step 6: Final answer
    x = 287,708.55

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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.