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Finding the Fourth Proportional to 285,337.68, 393,755.54 and 164,484.06

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Solution

The fourth proportional to 285,337.68, 393,755.54 and 164,484.06 is: 226,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,337.68 : 393,755.54 = 164,484.06 : x
  2. Step 2: Convert to fraction form
    285,337.68/393,755.54 = 164,484.06/x
  3. Step 3: Cross multiply
    285,337.68x = 393,755.54 × 164,484.06
  4. Step 4: Simplify right side
    285,337.68x = 64,766,509,866.69
  5. Step 5: Solve for x
    x = 64,766,509,866.69/285,337.68
  6. Step 6: Final answer
    x = 226,981.97

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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.