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Finding the Fourth Proportional to 302,352.48, 417,263.67 and 173,312.46

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Solution

The fourth proportional to 302,352.48, 417,263.67 and 173,312.46 is: 239,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,352.48 : 417,263.67 = 173,312.46 : x
  2. Step 2: Convert to fraction form
    302,352.48/417,263.67 = 173,312.46/x
  3. Step 3: Cross multiply
    302,352.48x = 417,263.67 × 173,312.46
  4. Step 4: Simplify right side
    302,352.48x = 72,316,993,116.33
  5. Step 5: Solve for x
    x = 72,316,993,116.33/302,352.48
  6. Step 6: Final answer
    x = 239,181.08

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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.