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Finding the Fourth Proportional to 448,084.63, 672,126.95 and 132,516.93

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Solution

The fourth proportional to 448,084.63, 672,126.95 and 132,516.93 is: 198,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,084.63 : 672,126.95 = 132,516.93 : x
  2. Step 2: Convert to fraction form
    448,084.63/672,126.95 = 132,516.93/x
  3. Step 3: Cross multiply
    448,084.63x = 672,126.95 × 132,516.93
  4. Step 4: Simplify right side
    448,084.63x = 89,068,199,984.26
  5. Step 5: Solve for x
    x = 89,068,199,984.26/448,084.63
  6. Step 6: Final answer
    x = 198,775.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.