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Finding the Fourth Proportional to 527,648.41, 789,580.68 and 456,814.67

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Solution

The fourth proportional to 527,648.41, 789,580.68 and 456,814.67 is: 683,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,648.41 : 789,580.68 = 456,814.67 : x
  2. Step 2: Convert to fraction form
    527,648.41/789,580.68 = 456,814.67/x
  3. Step 3: Cross multiply
    527,648.41x = 789,580.68 × 456,814.67
  4. Step 4: Simplify right side
    527,648.41x = 360,692,037,772.58
  5. Step 5: Solve for x
    x = 360,692,037,772.58/527,648.41
  6. Step 6: Final answer
    x = 683,584.05

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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.