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Finding the Fourth Proportional to 679,302.33, 936,449.22 and 474,718.08

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Solution

The fourth proportional to 679,302.33, 936,449.22 and 474,718.08 is: 654,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,302.33 : 936,449.22 = 474,718.08 : x
  2. Step 2: Convert to fraction form
    679,302.33/936,449.22 = 474,718.08/x
  3. Step 3: Cross multiply
    679,302.33x = 936,449.22 × 474,718.08
  4. Step 4: Simplify right side
    679,302.33x = 444,549,375,735.90
  5. Step 5: Solve for x
    x = 444,549,375,735.90/679,302.33
  6. Step 6: Final answer
    x = 654,420.51

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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.