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Finding the Fourth Proportional to 614,069.37, 847,402.97 and 342,136.17

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Solution

The fourth proportional to 614,069.37, 847,402.97 and 342,136.17 is: 472,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,069.37 : 847,402.97 = 342,136.17 : x
  2. Step 2: Convert to fraction form
    614,069.37/847,402.97 = 342,136.17/x
  3. Step 3: Cross multiply
    614,069.37x = 847,402.97 × 342,136.17
  4. Step 4: Simplify right side
    614,069.37x = 289,927,204,891.74
  5. Step 5: Solve for x
    x = 289,927,204,891.74/614,069.37
  6. Step 6: Final answer
    x = 472,140.80

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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.