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Finding the Fourth Proportional to 301,283.90, 415,768.14 and 173,956.76

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Solution

The fourth proportional to 301,283.90, 415,768.14 and 173,956.76 is: 240,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,283.90 : 415,768.14 = 173,956.76 : x
  2. Step 2: Convert to fraction form
    301,283.90/415,768.14 = 173,956.76/x
  3. Step 3: Cross multiply
    301,283.90x = 415,768.14 × 173,956.76
  4. Step 4: Simplify right side
    301,283.90x = 72,325,678,545.63
  5. Step 5: Solve for x
    x = 72,325,678,545.63/301,283.90
  6. Step 6: Final answer
    x = 240,058.23

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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.