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Finding the Fourth Proportional to 559,227.76, 771,834.39 and 329,771.14

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Solution

The fourth proportional to 559,227.76, 771,834.39 and 329,771.14 is: 455,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,227.76 : 771,834.39 = 329,771.14 : x
  2. Step 2: Convert to fraction form
    559,227.76/771,834.39 = 329,771.14/x
  3. Step 3: Cross multiply
    559,227.76x = 771,834.39 × 329,771.14
  4. Step 4: Simplify right side
    559,227.76x = 254,528,706,681.51
  5. Step 5: Solve for x
    x = 254,528,706,681.51/559,227.76
  6. Step 6: Final answer
    x = 455,143.19

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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.