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Finding the Fourth Proportional to 527,655.61, 791,595.21 and 203,452

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Solution

The fourth proportional to 527,655.61, 791,595.21 and 203,452 is: 305,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,655.61 : 791,595.21 = 203,452 : x
  2. Step 2: Convert to fraction form
    527,655.61/791,595.21 = 203,452/x
  3. Step 3: Cross multiply
    527,655.61x = 791,595.21 × 203,452
  4. Step 4: Simplify right side
    527,655.61x = 161,051,628,664.92
  5. Step 5: Solve for x
    x = 161,051,628,664.92/527,655.61
  6. Step 6: Final answer
    x = 305,221.11

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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.