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Finding the Fourth Proportional to 302,353.07, 417,250.36 and 173,288.74

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Solution

The fourth proportional to 302,353.07, 417,250.36 and 173,288.74 is: 239,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,353.07 : 417,250.36 = 173,288.74 : x
  2. Step 2: Convert to fraction form
    302,353.07/417,250.36 = 173,288.74/x
  3. Step 3: Cross multiply
    302,353.07x = 417,250.36 × 173,288.74
  4. Step 4: Simplify right side
    302,353.07x = 72,304,789,148.95
  5. Step 5: Solve for x
    x = 72,304,789,148.95/302,353.07
  6. Step 6: Final answer
    x = 239,140.25

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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.