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Finding the Fourth Proportional to 286,440.57, 429,658.10 and 174,151.79

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Solution

The fourth proportional to 286,440.57, 429,658.10 and 174,151.79 is: 261,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,440.57 : 429,658.10 = 174,151.79 : x
  2. Step 2: Convert to fraction form
    286,440.57/429,658.10 = 174,151.79/x
  3. Step 3: Cross multiply
    286,440.57x = 429,658.10 × 174,151.79
  4. Step 4: Simplify right side
    286,440.57x = 74,825,727,427.84
  5. Step 5: Solve for x
    x = 74,825,727,427.84/286,440.57
  6. Step 6: Final answer
    x = 261,226.01

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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.