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Finding the Fourth Proportional to 624,988.20, 937,482.30 and 251,279.40

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Solution

The fourth proportional to 624,988.20, 937,482.30 and 251,279.40 is: 376,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,988.20 : 937,482.30 = 251,279.40 : x
  2. Step 2: Convert to fraction form
    624,988.20/937,482.30 = 251,279.40/x
  3. Step 3: Cross multiply
    624,988.20x = 937,482.30 × 251,279.40
  4. Step 4: Simplify right side
    624,988.20x = 235,569,989,854.62
  5. Step 5: Solve for x
    x = 235,569,989,854.62/624,988.20
  6. Step 6: Final answer
    x = 376,919.10

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Similar ratio
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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.