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Finding the Fourth Proportional to 527,586.57, 727,745.99 and 430,930.89

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Solution

The fourth proportional to 527,586.57, 727,745.99 and 430,930.89 is: 594,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,586.57 : 727,745.99 = 430,930.89 : x
  2. Step 2: Convert to fraction form
    527,586.57/727,745.99 = 430,930.89/x
  3. Step 3: Cross multiply
    527,586.57x = 727,745.99 × 430,930.89
  4. Step 4: Simplify right side
    527,586.57x = 313,608,225,009.98
  5. Step 5: Solve for x
    x = 313,608,225,009.98/527,586.57
  6. Step 6: Final answer
    x = 594,420.41

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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.