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Finding the Fourth Proportional to 553,594.60, 764,016.98 and 338,876.56

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Solution

The fourth proportional to 553,594.60, 764,016.98 and 338,876.56 is: 467,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,594.60 : 764,016.98 = 338,876.56 : x
  2. Step 2: Convert to fraction form
    553,594.60/764,016.98 = 338,876.56/x
  3. Step 3: Cross multiply
    553,594.60x = 764,016.98 × 338,876.56
  4. Step 4: Simplify right side
    553,594.60x = 258,907,445,963.99
  5. Step 5: Solve for x
    x = 258,907,445,963.99/553,594.60
  6. Step 6: Final answer
    x = 467,684.20

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1.5x scale

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.