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Finding the Fourth Proportional to 630,164.40, 944,382.60 and 404,833.20

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Solution

The fourth proportional to 630,164.40, 944,382.60 and 404,833.20 is: 606,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,164.40 : 944,382.60 = 404,833.20 : x
  2. Step 2: Convert to fraction form
    630,164.40/944,382.60 = 404,833.20/x
  3. Step 3: Cross multiply
    630,164.40x = 944,382.60 × 404,833.20
  4. Step 4: Simplify right side
    630,164.40x = 382,317,429,982.32
  5. Step 5: Solve for x
    x = 382,317,429,982.32/630,164.40
  6. Step 6: Final answer
    x = 606,694.75

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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.