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Finding the Fourth Proportional to 445,937.50, 615,393.76 and 267,089.50

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Solution

The fourth proportional to 445,937.50, 615,393.76 and 267,089.50 is: 368,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,937.50 : 615,393.76 = 267,089.50 : x
  2. Step 2: Convert to fraction form
    445,937.50/615,393.76 = 267,089.50/x
  3. Step 3: Cross multiply
    445,937.50x = 615,393.76 × 267,089.50
  4. Step 4: Simplify right side
    445,937.50x = 164,365,211,661.52
  5. Step 5: Solve for x
    x = 164,365,211,661.52/445,937.50
  6. Step 6: Final answer
    x = 368,583.52

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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.