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Finding the Fourth Proportional to 995,016, 1,373,120.88 and 542,307

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Solution

The fourth proportional to 995,016, 1,373,120.88 and 542,307 is: 748,383.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,016 : 1,373,120.88 = 542,307 : x
  2. Step 2: Convert to fraction form
    995,016/1,373,120.88 = 542,307/x
  3. Step 3: Cross multiply
    995,016x = 1,373,120.88 × 542,307
  4. Step 4: Simplify right side
    995,016x = 744,653,065,070.16
  5. Step 5: Solve for x
    x = 744,653,065,070.16/995,016
  6. Step 6: Final answer
    x = 748,383.01

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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.