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Finding the Fourth Proportional to 691,596, 1,036,995.48 and 270,642.24

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Solution

The fourth proportional to 691,596, 1,036,995.48 and 270,642.24 is: 405,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,596 : 1,036,995.48 = 270,642.24 : x
  2. Step 2: Convert to fraction form
    691,596/1,036,995.48 = 270,642.24/x
  3. Step 3: Cross multiply
    691,596x = 1,036,995.48 × 270,642.24
  4. Step 4: Simplify right side
    691,596x = 280,654,779,577.08
  5. Step 5: Solve for x
    x = 280,654,779,577.08/691,596
  6. Step 6: Final answer
    x = 405,807.41

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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.