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Finding the Fourth Proportional to 527,258.94, 790,888.22 and 211,715.76

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Solution

The fourth proportional to 527,258.94, 790,888.22 and 211,715.76 is: 317,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,258.94 : 790,888.22 = 211,715.76 : x
  2. Step 2: Convert to fraction form
    527,258.94/790,888.22 = 211,715.76/x
  3. Step 3: Cross multiply
    527,258.94x = 790,888.22 × 211,715.76
  4. Step 4: Simplify right side
    527,258.94x = 167,443,500,572.35
  5. Step 5: Solve for x
    x = 167,443,500,572.35/527,258.94
  6. Step 6: Final answer
    x = 317,573.56

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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.