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Finding the Fourth Proportional to 474,613.32, 654,951.78 and 259,748.76

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Solution

The fourth proportional to 474,613.32, 654,951.78 and 259,748.76 is: 358,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,613.32 : 654,951.78 = 259,748.76 : x
  2. Step 2: Convert to fraction form
    474,613.32/654,951.78 = 259,748.76/x
  3. Step 3: Cross multiply
    474,613.32x = 654,951.78 × 259,748.76
  4. Step 4: Simplify right side
    474,613.32x = 170,122,912,714.79
  5. Step 5: Solve for x
    x = 170,122,912,714.79/474,613.32
  6. Step 6: Final answer
    x = 358,445.30

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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.