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Finding the Fourth Proportional to 844,960.40, 1,267,901.40 and 346,374.80

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Solution

The fourth proportional to 844,960.40, 1,267,901.40 and 346,374.80 is: 519,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,960.40 : 1,267,901.40 = 346,374.80 : x
  2. Step 2: Convert to fraction form
    844,960.40/1,267,901.40 = 346,374.80/x
  3. Step 3: Cross multiply
    844,960.40x = 1,267,901.40 × 346,374.80
  4. Step 4: Simplify right side
    844,960.40x = 439,169,093,844.72
  5. Step 5: Solve for x
    x = 439,169,093,844.72/844,960.40
  6. Step 6: Final answer
    x = 519,751.10

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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.