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Finding the Fourth Proportional to 302,968.49, 450,876.44 and 292,877.73

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Solution

The fourth proportional to 302,968.49, 450,876.44 and 292,877.73 is: 435,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,968.49 : 450,876.44 = 292,877.73 : x
  2. Step 2: Convert to fraction form
    302,968.49/450,876.44 = 292,877.73/x
  3. Step 3: Cross multiply
    302,968.49x = 450,876.44 × 292,877.73
  4. Step 4: Simplify right side
    302,968.49x = 132,051,668,989.88
  5. Step 5: Solve for x
    x = 132,051,668,989.88/302,968.49
  6. Step 6: Final answer
    x = 435,859.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.