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Finding the Fourth Proportional to 286,469.76, 429,707.20 and 117,950.08

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Solution

The fourth proportional to 286,469.76, 429,707.20 and 117,950.08 is: 176,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,469.76 : 429,707.20 = 117,950.08 : x
  2. Step 2: Convert to fraction form
    286,469.76/429,707.20 = 117,950.08/x
  3. Step 3: Cross multiply
    286,469.76x = 429,707.20 × 117,950.08
  4. Step 4: Simplify right side
    286,469.76x = 50,683,998,616.58
  5. Step 5: Solve for x
    x = 50,683,998,616.58/286,469.76
  6. Step 6: Final answer
    x = 176,926.17

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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.