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Finding the Fourth Proportional to 600,876.90, 905,533.14 and 540,965.25

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Solution

The fourth proportional to 600,876.90, 905,533.14 and 540,965.25 is: 815,245.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,876.90 : 905,533.14 = 540,965.25 : x
  2. Step 2: Convert to fraction form
    600,876.90/905,533.14 = 540,965.25/x
  3. Step 3: Cross multiply
    600,876.90x = 905,533.14 × 540,965.25
  4. Step 4: Simplify right side
    600,876.90x = 489,861,961,463.39
  5. Step 5: Solve for x
    x = 489,861,961,463.39/600,876.90
  6. Step 6: Final answer
    x = 815,245.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.