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Finding the Fourth Proportional to 527,357.39, 790,917.64 and 242,775.23

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Solution

The fourth proportional to 527,357.39, 790,917.64 and 242,775.23 is: 364,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,357.39 : 790,917.64 = 242,775.23 : x
  2. Step 2: Convert to fraction form
    527,357.39/790,917.64 = 242,775.23/x
  3. Step 3: Cross multiply
    527,357.39x = 790,917.64 × 242,775.23
  4. Step 4: Simplify right side
    527,357.39x = 192,015,207,400.53
  5. Step 5: Solve for x
    x = 192,015,207,400.53/527,357.39
  6. Step 6: Final answer
    x = 364,108.31

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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.