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Finding the Fourth Proportional to 360,031.50, 496,843.47 and 201,055.50

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Solution

The fourth proportional to 360,031.50, 496,843.47 and 201,055.50 is: 277,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,031.50 : 496,843.47 = 201,055.50 : x
  2. Step 2: Convert to fraction form
    360,031.50/496,843.47 = 201,055.50/x
  3. Step 3: Cross multiply
    360,031.50x = 496,843.47 × 201,055.50
  4. Step 4: Simplify right side
    360,031.50x = 99,893,112,282.59
  5. Step 5: Solve for x
    x = 99,893,112,282.59/360,031.50
  6. Step 6: Final answer
    x = 277,456.59

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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.