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Finding the Fourth Proportional to 551,307.60, 827,155.80 and 531,867.60

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Solution

The fourth proportional to 551,307.60, 827,155.80 and 531,867.60 is: 797,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,307.60 : 827,155.80 = 531,867.60 : x
  2. Step 2: Convert to fraction form
    551,307.60/827,155.80 = 531,867.60/x
  3. Step 3: Cross multiply
    551,307.60x = 827,155.80 × 531,867.60
  4. Step 4: Simplify right side
    551,307.60x = 439,937,370,172.08
  5. Step 5: Solve for x
    x = 439,937,370,172.08/551,307.60
  6. Step 6: Final answer
    x = 797,988.95

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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.