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Finding the Fourth Proportional to 293,607.50, 405,178.76 and 159,471.50

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Solution

The fourth proportional to 293,607.50, 405,178.76 and 159,471.50 is: 220,070.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,607.50 : 405,178.76 = 159,471.50 : x
  2. Step 2: Convert to fraction form
    293,607.50/405,178.76 = 159,471.50/x
  3. Step 3: Cross multiply
    293,607.50x = 405,178.76 × 159,471.50
  4. Step 4: Simplify right side
    293,607.50x = 64,614,463,827.98
  5. Step 5: Solve for x
    x = 64,614,463,827.98/293,607.50
  6. Step 6: Final answer
    x = 220,070.89

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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.