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Finding the Fourth Proportional to 523,201.32, 783,736.78 and 479,607.08

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Solution

The fourth proportional to 523,201.32, 783,736.78 and 479,607.08 is: 718,434.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,201.32 : 783,736.78 = 479,607.08 : x
  2. Step 2: Convert to fraction form
    523,201.32/783,736.78 = 479,607.08/x
  3. Step 3: Cross multiply
    523,201.32x = 783,736.78 × 479,607.08
  4. Step 4: Simplify right side
    523,201.32x = 375,885,708,544.40
  5. Step 5: Solve for x
    x = 375,885,708,544.40/523,201.32
  6. Step 6: Final answer
    x = 718,434.17

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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.