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Finding the Fourth Proportional to 607,823.60, 910,532.55 and 533,028.20

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Solution

The fourth proportional to 607,823.60, 910,532.55 and 533,028.20 is: 798,487.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,823.60 : 910,532.55 = 533,028.20 : x
  2. Step 2: Convert to fraction form
    607,823.60/910,532.55 = 533,028.20/x
  3. Step 3: Cross multiply
    607,823.60x = 910,532.55 × 533,028.20
  4. Step 4: Simplify right side
    607,823.60x = 485,339,526,167.91
  5. Step 5: Solve for x
    x = 485,339,526,167.91/607,823.60
  6. Step 6: Final answer
    x = 798,487.47

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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.