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Finding the Fourth Proportional to 591,353.20, 887,029.80 and 368,133.40

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Solution

The fourth proportional to 591,353.20, 887,029.80 and 368,133.40 is: 552,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,353.20 : 887,029.80 = 368,133.40 : x
  2. Step 2: Convert to fraction form
    591,353.20/887,029.80 = 368,133.40/x
  3. Step 3: Cross multiply
    591,353.20x = 887,029.80 × 368,133.40
  4. Step 4: Simplify right side
    591,353.20x = 326,545,296,175.32
  5. Step 5: Solve for x
    x = 326,545,296,175.32/591,353.20
  6. Step 6: Final answer
    x = 552,200.10

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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.