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Finding the Fourth Proportional to 415,370.32, 573,211.04 and 224,383.72

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Solution

The fourth proportional to 415,370.32, 573,211.04 and 224,383.72 is: 309,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,370.32 : 573,211.04 = 224,383.72 : x
  2. Step 2: Convert to fraction form
    415,370.32/573,211.04 = 224,383.72/x
  3. Step 3: Cross multiply
    415,370.32x = 573,211.04 × 224,383.72
  4. Step 4: Simplify right side
    415,370.32x = 128,619,225,500.27
  5. Step 5: Solve for x
    x = 128,619,225,500.27/415,370.32
  6. Step 6: Final answer
    x = 309,649.53

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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.