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Finding the Fourth Proportional to 357,465.32, 536,197.54 and 91,225.85

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Solution

The fourth proportional to 357,465.32, 536,197.54 and 91,225.85 is: 136,838.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,465.32 : 536,197.54 = 91,225.85 : x
  2. Step 2: Convert to fraction form
    357,465.32/536,197.54 = 91,225.85/x
  3. Step 3: Cross multiply
    357,465.32x = 536,197.54 × 91,225.85
  4. Step 4: Simplify right side
    357,465.32x = 48,915,073,231.55
  5. Step 5: Solve for x
    x = 48,915,073,231.55/357,465.32
  6. Step 6: Final answer
    x = 136,838.65

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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.