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Finding the Fourth Proportional to 286,672.77, 429,843.02 and 97,069.86

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Solution

The fourth proportional to 286,672.77, 429,843.02 and 97,069.86 is: 145,548.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,672.77 : 429,843.02 = 97,069.86 : x
  2. Step 2: Convert to fraction form
    286,672.77/429,843.02 = 97,069.86/x
  3. Step 3: Cross multiply
    286,672.77x = 429,843.02 × 97,069.86
  4. Step 4: Simplify right side
    286,672.77x = 41,724,801,288.03
  5. Step 5: Solve for x
    x = 41,724,801,288.03/286,672.77
  6. Step 6: Final answer
    x = 145,548.53

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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.