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Finding the Fourth Proportional to 302,503.43, 417,448.17 and 166,532.18

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Solution

The fourth proportional to 302,503.43, 417,448.17 and 166,532.18 is: 229,810.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,503.43 : 417,448.17 = 166,532.18 : x
  2. Step 2: Convert to fraction form
    302,503.43/417,448.17 = 166,532.18/x
  3. Step 3: Cross multiply
    302,503.43x = 417,448.17 × 166,532.18
  4. Step 4: Simplify right side
    302,503.43x = 69,518,551,699.87
  5. Step 5: Solve for x
    x = 69,518,551,699.87/302,503.43
  6. Step 6: Final answer
    x = 229,810.79

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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.