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Finding the Fourth Proportional to 311,026.86, 429,230.73 and 175,069.59

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Solution

The fourth proportional to 311,026.86, 429,230.73 and 175,069.59 is: 241,603.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,026.86 : 429,230.73 = 175,069.59 : x
  2. Step 2: Convert to fraction form
    311,026.86/429,230.73 = 175,069.59/x
  3. Step 3: Cross multiply
    311,026.86x = 429,230.73 × 175,069.59
  4. Step 4: Simplify right side
    311,026.86x = 75,145,247,916.50
  5. Step 5: Solve for x
    x = 75,145,247,916.50/311,026.86
  6. Step 6: Final answer
    x = 241,603.72

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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.