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Finding the Fourth Proportional to 911,352.59, 1,257,662.52 and 503,454.62

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Solution

The fourth proportional to 911,352.59, 1,257,662.52 and 503,454.62 is: 694,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,352.59 : 1,257,662.52 = 503,454.62 : x
  2. Step 2: Convert to fraction form
    911,352.59/1,257,662.52 = 503,454.62/x
  3. Step 3: Cross multiply
    911,352.59x = 1,257,662.52 × 503,454.62
  4. Step 4: Simplify right side
    911,352.59x = 633,176,006,094.84
  5. Step 5: Solve for x
    x = 633,176,006,094.84/911,352.59
  6. Step 6: Final answer
    x = 694,765.14

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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.