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Finding the Fourth Proportional to 410,434.60, 566,356.62 and 238,318.93

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Solution

The fourth proportional to 410,434.60, 566,356.62 and 238,318.93 is: 328,855.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,434.60 : 566,356.62 = 238,318.93 : x
  2. Step 2: Convert to fraction form
    410,434.60/566,356.62 = 238,318.93/x
  3. Step 3: Cross multiply
    410,434.60x = 566,356.62 × 238,318.93
  4. Step 4: Simplify right side
    410,434.60x = 134,973,503,676.82
  5. Step 5: Solve for x
    x = 134,973,503,676.82/410,434.60
  6. Step 6: Final answer
    x = 328,855.08

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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.