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Finding the Fourth Proportional to 369,794.32, 510,277.80 and 208,658.32

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Solution

The fourth proportional to 369,794.32, 510,277.80 and 208,658.32 is: 287,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,794.32 : 510,277.80 = 208,658.32 : x
  2. Step 2: Convert to fraction form
    369,794.32/510,277.80 = 208,658.32/x
  3. Step 3: Cross multiply
    369,794.32x = 510,277.80 × 208,658.32
  4. Step 4: Simplify right side
    369,794.32x = 106,473,708,481.30
  5. Step 5: Solve for x
    x = 106,473,708,481.30/369,794.32
  6. Step 6: Final answer
    x = 287,926.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.