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Finding the Fourth Proportional to 533,678.82, 736,052.91 and 403,291.92

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Solution

The fourth proportional to 533,678.82, 736,052.91 and 403,291.92 is: 556,222.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,678.82 : 736,052.91 = 403,291.92 : x
  2. Step 2: Convert to fraction form
    533,678.82/736,052.91 = 403,291.92/x
  3. Step 3: Cross multiply
    533,678.82x = 736,052.91 × 403,291.92
  4. Step 4: Simplify right side
    533,678.82x = 296,844,191,295.49
  5. Step 5: Solve for x
    x = 296,844,191,295.49/533,678.82
  6. Step 6: Final answer
    x = 556,222.54

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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.