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Finding the Fourth Proportional to 447,192.53, 617,069.53 and 302,313.46

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Solution

The fourth proportional to 447,192.53, 617,069.53 and 302,313.46 is: 417,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,192.53 : 617,069.53 = 302,313.46 : x
  2. Step 2: Convert to fraction form
    447,192.53/617,069.53 = 302,313.46/x
  3. Step 3: Cross multiply
    447,192.53x = 617,069.53 × 302,313.46
  4. Step 4: Simplify right side
    447,192.53x = 186,548,423,163.31
  5. Step 5: Solve for x
    x = 186,548,423,163.31/447,192.53
  6. Step 6: Final answer
    x = 417,154.61

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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.