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Finding the Fourth Proportional to 527,214.66, 790,658.43 and 190,211.51

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Solution

The fourth proportional to 527,214.66, 790,658.43 and 190,211.51 is: 285,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,214.66 : 790,658.43 = 190,211.51 : x
  2. Step 2: Convert to fraction form
    527,214.66/790,658.43 = 190,211.51/x
  3. Step 3: Cross multiply
    527,214.66x = 790,658.43 × 190,211.51
  4. Step 4: Simplify right side
    527,214.66x = 150,392,329,911.24
  5. Step 5: Solve for x
    x = 150,392,329,911.24/527,214.66
  6. Step 6: Final answer
    x = 285,258.25

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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.