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Finding the Fourth Proportional to 302,316.48, 417,237.48 and 173,306.16

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Solution

The fourth proportional to 302,316.48, 417,237.48 and 173,306.16 is: 239,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,316.48 : 417,237.48 = 173,306.16 : x
  2. Step 2: Convert to fraction form
    302,316.48/417,237.48 = 173,306.16/x
  3. Step 3: Cross multiply
    302,316.48x = 417,237.48 × 173,306.16
  4. Step 4: Simplify right side
    302,316.48x = 72,309,825,466.88
  5. Step 5: Solve for x
    x = 72,309,825,466.88/302,316.48
  6. Step 6: Final answer
    x = 239,185.85

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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.