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Finding the Fourth Proportional to 691,752.62, 955,062.77 and 433,983.02

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Solution

The fourth proportional to 691,752.62, 955,062.77 and 433,983.02 is: 599,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,752.62 : 955,062.77 = 433,983.02 : x
  2. Step 2: Convert to fraction form
    691,752.62/955,062.77 = 433,983.02/x
  3. Step 3: Cross multiply
    691,752.62x = 955,062.77 × 433,983.02
  4. Step 4: Simplify right side
    691,752.62x = 414,481,018,268.94
  5. Step 5: Solve for x
    x = 414,481,018,268.94/691,752.62
  6. Step 6: Final answer
    x = 599,175.20

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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.