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Finding the Fourth Proportional to 634,395.21, 951,212.81 and 201,925.89

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Solution

The fourth proportional to 634,395.21, 951,212.81 and 201,925.89 is: 302,767.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,395.21 : 951,212.81 = 201,925.89 : x
  2. Step 2: Convert to fraction form
    634,395.21/951,212.81 = 201,925.89/x
  3. Step 3: Cross multiply
    634,395.21x = 951,212.81 × 201,925.89
  4. Step 4: Simplify right side
    634,395.21x = 192,074,488,482.59
  5. Step 5: Solve for x
    x = 192,074,488,482.59/634,395.21
  6. Step 6: Final answer
    x = 302,767.87

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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.