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Finding the Fourth Proportional to 262,444.36, 393,569.74 and 93,919

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Solution

The fourth proportional to 262,444.36, 393,569.74 and 93,919 is: 140,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,444.36 : 393,569.74 = 93,919 : x
  2. Step 2: Convert to fraction form
    262,444.36/393,569.74 = 93,919/x
  3. Step 3: Cross multiply
    262,444.36x = 393,569.74 × 93,919
  4. Step 4: Simplify right side
    262,444.36x = 36,963,676,411.06
  5. Step 5: Solve for x
    x = 36,963,676,411.06/262,444.36
  6. Step 6: Final answer
    x = 140,843.86

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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.