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Finding the Fourth Proportional to 293,345.94, 440,015.20 and 93,663.80

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Solution

The fourth proportional to 293,345.94, 440,015.20 and 93,663.80 is: 140,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,345.94 : 440,015.20 = 93,663.80 : x
  2. Step 2: Convert to fraction form
    293,345.94/440,015.20 = 93,663.80/x
  3. Step 3: Cross multiply
    293,345.94x = 440,015.20 × 93,663.80
  4. Step 4: Simplify right side
    293,345.94x = 41,213,495,689.76
  5. Step 5: Solve for x
    x = 41,213,495,689.76/293,345.94
  6. Step 6: Final answer
    x = 140,494.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.