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Finding the Fourth Proportional to 357,212.04, 535,767.57 and 120,523.56

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Solution

The fourth proportional to 357,212.04, 535,767.57 and 120,523.56 is: 180,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,212.04 : 535,767.57 = 120,523.56 : x
  2. Step 2: Convert to fraction form
    357,212.04/535,767.57 = 120,523.56/x
  3. Step 3: Cross multiply
    357,212.04x = 535,767.57 × 120,523.56
  4. Step 4: Simplify right side
    357,212.04x = 64,572,614,868.95
  5. Step 5: Solve for x
    x = 64,572,614,868.95/357,212.04
  6. Step 6: Final answer
    x = 180,768.30

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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.