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Finding the Fourth Proportional to 524,651.50, 786,984.27 and 164,810.62

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Solution

The fourth proportional to 524,651.50, 786,984.27 and 164,810.62 is: 247,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,651.50 : 786,984.27 = 164,810.62 : x
  2. Step 2: Convert to fraction form
    524,651.50/786,984.27 = 164,810.62/x
  3. Step 3: Cross multiply
    524,651.50x = 786,984.27 × 164,810.62
  4. Step 4: Simplify right side
    524,651.50x = 129,703,365,468.95
  5. Step 5: Solve for x
    x = 129,703,365,468.95/524,651.50
  6. Step 6: Final answer
    x = 247,218.14

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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.