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Finding the Fourth Proportional to 600,875.40, 905,530.88 and 540,963.75

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Solution

The fourth proportional to 600,875.40, 905,530.88 and 540,963.75 is: 815,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,875.40 : 905,530.88 = 540,963.75 : x
  2. Step 2: Convert to fraction form
    600,875.40/905,530.88 = 540,963.75/x
  3. Step 3: Cross multiply
    600,875.40x = 905,530.88 × 540,963.75
  4. Step 4: Simplify right side
    600,875.40x = 489,859,377,880.78
  5. Step 5: Solve for x
    x = 489,859,377,880.78/600,875.40
  6. Step 6: Final answer
    x = 815,242.86

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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.