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Finding the Fourth Proportional to 591,259.02, 886,658.46 and 191,803.20

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Solution

The fourth proportional to 591,259.02, 886,658.46 and 191,803.20 is: 287,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,259.02 : 886,658.46 = 191,803.20 : x
  2. Step 2: Convert to fraction form
    591,259.02/886,658.46 = 191,803.20/x
  3. Step 3: Cross multiply
    591,259.02x = 886,658.46 × 191,803.20
  4. Step 4: Simplify right side
    591,259.02x = 170,063,929,935.07
  5. Step 5: Solve for x
    x = 170,063,929,935.07/591,259.02
  6. Step 6: Final answer
    x = 287,630.17

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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.