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Finding the Fourth Proportional to 635,482.26, 953,441.82 and 398,547.54

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Solution

The fourth proportional to 635,482.26, 953,441.82 and 398,547.54 is: 597,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,482.26 : 953,441.82 = 398,547.54 : x
  2. Step 2: Convert to fraction form
    635,482.26/953,441.82 = 398,547.54/x
  3. Step 3: Cross multiply
    635,482.26x = 953,441.82 × 398,547.54
  4. Step 4: Simplify right side
    635,482.26x = 379,991,891,894.12
  5. Step 5: Solve for x
    x = 379,991,891,894.12/635,482.26
  6. Step 6: Final answer
    x = 597,958.30

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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.