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Finding the Fourth Proportional to 302,347.48, 417,256.76 and 173,307.43

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Solution

The fourth proportional to 302,347.48, 417,256.76 and 173,307.43 is: 239,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,347.48 : 417,256.76 = 173,307.43 : x
  2. Step 2: Convert to fraction form
    302,347.48/417,256.76 = 173,307.43/x
  3. Step 3: Cross multiply
    302,347.48x = 417,256.76 × 173,307.43
  4. Step 4: Simplify right side
    302,347.48x = 72,313,696,725.73
  5. Step 5: Solve for x
    x = 72,313,696,725.73/302,347.48
  6. Step 6: Final answer
    x = 239,174.13

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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.