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Finding the Fourth Proportional to 523,511.89, 785,236.54 and 186,534.67

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Solution

The fourth proportional to 523,511.89, 785,236.54 and 186,534.67 is: 279,790.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,511.89 : 785,236.54 = 186,534.67 : x
  2. Step 2: Convert to fraction form
    523,511.89/785,236.54 = 186,534.67/x
  3. Step 3: Cross multiply
    523,511.89x = 785,236.54 × 186,534.67
  4. Step 4: Simplify right side
    523,511.89x = 146,473,838,860.84
  5. Step 5: Solve for x
    x = 146,473,838,860.84/523,511.89
  6. Step 6: Final answer
    x = 279,790.85

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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.