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Finding the Fourth Proportional to 614,211.32, 847,576.58 and 338,514.42

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Solution

The fourth proportional to 614,211.32, 847,576.58 and 338,514.42 is: 467,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,211.32 : 847,576.58 = 338,514.42 : x
  2. Step 2: Convert to fraction form
    614,211.32/847,576.58 = 338,514.42/x
  3. Step 3: Cross multiply
    614,211.32x = 847,576.58 × 338,514.42
  4. Step 4: Simplify right side
    614,211.32x = 286,916,894,384.28
  5. Step 5: Solve for x
    x = 286,916,894,384.28/614,211.32
  6. Step 6: Final answer
    x = 467,130.59

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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.