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Finding the Fourth Proportional to 543,004.87, 749,335.27 and 301,282.24

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Solution

The fourth proportional to 543,004.87, 749,335.27 and 301,282.24 is: 415,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,004.87 : 749,335.27 = 301,282.24 : x
  2. Step 2: Convert to fraction form
    543,004.87/749,335.27 = 301,282.24/x
  3. Step 3: Cross multiply
    543,004.87x = 749,335.27 × 301,282.24
  4. Step 4: Simplify right side
    543,004.87x = 225,761,404,156.72
  5. Step 5: Solve for x
    x = 225,761,404,156.72/543,004.87
  6. Step 6: Final answer
    x = 415,763.13

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1.5x scale

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.