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Finding the Fourth Proportional to 313,692.07, 432,894.22 and 170,452.12

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Solution

The fourth proportional to 313,692.07, 432,894.22 and 170,452.12 is: 235,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,692.07 : 432,894.22 = 170,452.12 : x
  2. Step 2: Convert to fraction form
    313,692.07/432,894.22 = 170,452.12/x
  3. Step 3: Cross multiply
    313,692.07x = 432,894.22 × 170,452.12
  4. Step 4: Simplify right side
    313,692.07x = 73,787,737,534.75
  5. Step 5: Solve for x
    x = 73,787,737,534.75/313,692.07
  6. Step 6: Final answer
    x = 235,223.47

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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.