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Finding the Fourth Proportional to 543,807.04, 750,542.88 and 314,371.84

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Solution

The fourth proportional to 543,807.04, 750,542.88 and 314,371.84 is: 433,884.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,807.04 : 750,542.88 = 314,371.84 : x
  2. Step 2: Convert to fraction form
    543,807.04/750,542.88 = 314,371.84/x
  3. Step 3: Cross multiply
    543,807.04x = 750,542.88 × 314,371.84
  4. Step 4: Simplify right side
    543,807.04x = 235,949,546,184.50
  5. Step 5: Solve for x
    x = 235,949,546,184.50/543,807.04
  6. Step 6: Final answer
    x = 433,884.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.