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Finding the Fourth Proportional to 286,402.48, 395,235.52 and 159,089.92

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Solution

The fourth proportional to 286,402.48, 395,235.52 and 159,089.92 is: 219,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,402.48 : 395,235.52 = 159,089.92 : x
  2. Step 2: Convert to fraction form
    286,402.48/395,235.52 = 159,089.92/x
  3. Step 3: Cross multiply
    286,402.48x = 395,235.52 × 159,089.92
  4. Step 4: Simplify right side
    286,402.48x = 62,877,987,257.96
  5. Step 5: Solve for x
    x = 62,877,987,257.96/286,402.48
  6. Step 6: Final answer
    x = 219,544.14

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1.5x scale

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.