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Finding the Fourth Proportional to 559,544.01, 772,171.68 and 304,895.17

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Solution

The fourth proportional to 559,544.01, 772,171.68 and 304,895.17 is: 420,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,544.01 : 772,171.68 = 304,895.17 : x
  2. Step 2: Convert to fraction form
    559,544.01/772,171.68 = 304,895.17/x
  3. Step 3: Cross multiply
    559,544.01x = 772,171.68 × 304,895.17
  4. Step 4: Simplify right side
    559,544.01x = 235,431,415,642.79
  5. Step 5: Solve for x
    x = 235,431,415,642.79/559,544.01
  6. Step 6: Final answer
    x = 420,755.85

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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.