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Finding the Fourth Proportional to 310,851.60, 466,277.40 and 100,510.80

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Solution

The fourth proportional to 310,851.60, 466,277.40 and 100,510.80 is: 150,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,851.60 : 466,277.40 = 100,510.80 : x
  2. Step 2: Convert to fraction form
    310,851.60/466,277.40 = 100,510.80/x
  3. Step 3: Cross multiply
    310,851.60x = 466,277.40 × 100,510.80
  4. Step 4: Simplify right side
    310,851.60x = 46,865,914,495.92
  5. Step 5: Solve for x
    x = 46,865,914,495.92/310,851.60
  6. Step 6: Final answer
    x = 150,766.20

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1.5x scale

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.