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Finding the Fourth Proportional to 452,323.32, 677,401.20 and 252,146.40

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Solution

The fourth proportional to 452,323.32, 677,401.20 and 252,146.40 is: 377,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,323.32 : 677,401.20 = 252,146.40 : x
  2. Step 2: Convert to fraction form
    452,323.32/677,401.20 = 252,146.40/x
  3. Step 3: Cross multiply
    452,323.32x = 677,401.20 × 252,146.40
  4. Step 4: Simplify right side
    452,323.32x = 170,804,273,935.68
  5. Step 5: Solve for x
    x = 170,804,273,935.68/452,323.32
  6. Step 6: Final answer
    x = 377,615.45

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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.