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Finding the Fourth Proportional to 301,191.70, 451,925.38 and 130,465.58

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Solution

The fourth proportional to 301,191.70, 451,925.38 and 130,465.58 is: 195,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,191.70 : 451,925.38 = 130,465.58 : x
  2. Step 2: Convert to fraction form
    301,191.70/451,925.38 = 130,465.58/x
  3. Step 3: Cross multiply
    301,191.70x = 451,925.38 × 130,465.58
  4. Step 4: Simplify right side
    301,191.70x = 58,960,706,818.42
  5. Step 5: Solve for x
    x = 58,960,706,818.42/301,191.70
  6. Step 6: Final answer
    x = 195,758.07

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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.