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Finding the Fourth Proportional to 541,966.40, 811,394.40 and 526,414.40

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Solution

The fourth proportional to 541,966.40, 811,394.40 and 526,414.40 is: 788,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,966.40 : 811,394.40 = 526,414.40 : x
  2. Step 2: Convert to fraction form
    541,966.40/811,394.40 = 526,414.40/x
  3. Step 3: Cross multiply
    541,966.40x = 811,394.40 × 526,414.40
  4. Step 4: Simplify right side
    541,966.40x = 427,129,696,239.36
  5. Step 5: Solve for x
    x = 427,129,696,239.36/541,966.40
  6. Step 6: Final answer
    x = 788,111.03

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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.