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Finding the Fourth Proportional to 533,853.32, 736,717.64 and 292,135.94

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Solution

The fourth proportional to 533,853.32, 736,717.64 and 292,135.94 is: 403,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,853.32 : 736,717.64 = 292,135.94 : x
  2. Step 2: Convert to fraction form
    533,853.32/736,717.64 = 292,135.94/x
  3. Step 3: Cross multiply
    533,853.32x = 736,717.64 × 292,135.94
  4. Step 4: Simplify right side
    533,853.32x = 215,221,702,020.50
  5. Step 5: Solve for x
    x = 215,221,702,020.50/533,853.32
  6. Step 6: Final answer
    x = 403,147.63

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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.