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Finding the Fourth Proportional to 806,001, 1,112,281.36 and 443,417.06

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Solution

The fourth proportional to 806,001, 1,112,281.36 and 443,417.06 is: 611,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,001 : 1,112,281.36 = 443,417.06 : x
  2. Step 2: Convert to fraction form
    806,001/1,112,281.36 = 443,417.06/x
  3. Step 3: Cross multiply
    806,001x = 1,112,281.36 × 443,417.06
  4. Step 4: Simplify right side
    806,001x = 493,204,523,874.05
  5. Step 5: Solve for x
    x = 493,204,523,874.05/806,001
  6. Step 6: Final answer
    x = 611,915.52

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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.