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Finding the Fourth Proportional to 591,230.40, 886,975.20 and 191,803.20

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Solution

The fourth proportional to 591,230.40, 886,975.20 and 191,803.20 is: 287,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,230.40 : 886,975.20 = 191,803.20 : x
  2. Step 2: Convert to fraction form
    591,230.40/886,975.20 = 191,803.20/x
  3. Step 3: Cross multiply
    591,230.40x = 886,975.20 × 191,803.20
  4. Step 4: Simplify right side
    591,230.40x = 170,124,681,680.64
  5. Step 5: Solve for x
    x = 170,124,681,680.64/591,230.40
  6. Step 6: Final answer
    x = 287,746.84

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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.