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Finding the Fourth Proportional to 555,942.08, 833,913.12 and 135,218.24

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Solution

The fourth proportional to 555,942.08, 833,913.12 and 135,218.24 is: 202,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,942.08 : 833,913.12 = 135,218.24 : x
  2. Step 2: Convert to fraction form
    555,942.08/833,913.12 = 135,218.24/x
  3. Step 3: Cross multiply
    555,942.08x = 833,913.12 × 135,218.24
  4. Step 4: Simplify right side
    555,942.08x = 112,760,264,399.31
  5. Step 5: Solve for x
    x = 112,760,264,399.31/555,942.08
  6. Step 6: Final answer
    x = 202,827.36

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1.5x scale

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.