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Finding the Fourth Proportional to 293,641.60, 405,225.60 and 159,505.60

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Solution

The fourth proportional to 293,641.60, 405,225.60 and 159,505.60 is: 220,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,641.60 : 405,225.60 = 159,505.60 : x
  2. Step 2: Convert to fraction form
    293,641.60/405,225.60 = 159,505.60/x
  3. Step 3: Cross multiply
    293,641.60x = 405,225.60 × 159,505.60
  4. Step 4: Simplify right side
    293,641.60x = 64,635,752,463.36
  5. Step 5: Solve for x
    x = 64,635,752,463.36/293,641.60
  6. Step 6: Final answer
    x = 220,117.83

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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.