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Finding the Fourth Proportional to 415,365.20, 573,206.22 and 234,079.94

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Solution

The fourth proportional to 415,365.20, 573,206.22 and 234,079.94 is: 323,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,365.20 : 573,206.22 = 234,079.94 : x
  2. Step 2: Convert to fraction form
    415,365.20/573,206.22 = 234,079.94/x
  3. Step 3: Cross multiply
    415,365.20x = 573,206.22 × 234,079.94
  4. Step 4: Simplify right side
    415,365.20x = 134,176,077,585.23
  5. Step 5: Solve for x
    x = 134,176,077,585.23/415,365.20
  6. Step 6: Final answer
    x = 323,031.58

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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.