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Finding the Fourth Proportional to 429,015.78, 592,127.82 and 247,757.22

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Solution

The fourth proportional to 429,015.78, 592,127.82 and 247,757.22 is: 341,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,015.78 : 592,127.82 = 247,757.22 : x
  2. Step 2: Convert to fraction form
    429,015.78/592,127.82 = 247,757.22/x
  3. Step 3: Cross multiply
    429,015.78x = 592,127.82 × 247,757.22
  4. Step 4: Simplify right side
    429,015.78x = 146,703,942,567.86
  5. Step 5: Solve for x
    x = 146,703,942,567.86/429,015.78
  6. Step 6: Final answer
    x = 341,954.65

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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.