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Finding the Fourth Proportional to 572,622.93, 790,221.06 and 317,974.10

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Solution

The fourth proportional to 572,622.93, 790,221.06 and 317,974.10 is: 438,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,622.93 : 790,221.06 = 317,974.10 : x
  2. Step 2: Convert to fraction form
    572,622.93/790,221.06 = 317,974.10/x
  3. Step 3: Cross multiply
    572,622.93x = 790,221.06 × 317,974.10
  4. Step 4: Simplify right side
    572,622.93x = 251,269,826,403.44
  5. Step 5: Solve for x
    x = 251,269,826,403.44/572,622.93
  6. Step 6: Final answer
    x = 438,805.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.