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Finding the Fourth Proportional to 625,967.10, 939,934.80 and 360,246.60

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Solution

The fourth proportional to 625,967.10, 939,934.80 and 360,246.60 is: 540,936.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,967.10 : 939,934.80 = 360,246.60 : x
  2. Step 2: Convert to fraction form
    625,967.10/939,934.80 = 360,246.60/x
  3. Step 3: Cross multiply
    625,967.10x = 939,934.80 × 360,246.60
  4. Step 4: Simplify right side
    625,967.10x = 338,608,315,921.68
  5. Step 5: Solve for x
    x = 338,608,315,921.68/625,967.10
  6. Step 6: Final answer
    x = 540,936.28

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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.