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Finding the Fourth Proportional to 293,637.76, 405,209.28 and 159,498.88

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Solution

The fourth proportional to 293,637.76, 405,209.28 and 159,498.88 is: 220,102.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,637.76 : 405,209.28 = 159,498.88 : x
  2. Step 2: Convert to fraction form
    293,637.76/405,209.28 = 159,498.88/x
  3. Step 3: Cross multiply
    293,637.76x = 405,209.28 × 159,498.88
  4. Step 4: Simplify right side
    293,637.76x = 64,630,426,325.61
  5. Step 5: Solve for x
    x = 64,630,426,325.61/293,637.76
  6. Step 6: Final answer
    x = 220,102.57

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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.