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Finding the Fourth Proportional to 268,497.52, 402,494.76 and 90,880.18

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Solution

The fourth proportional to 268,497.52, 402,494.76 and 90,880.18 is: 136,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,497.52 : 402,494.76 = 90,880.18 : x
  2. Step 2: Convert to fraction form
    268,497.52/402,494.76 = 90,880.18/x
  3. Step 3: Cross multiply
    268,497.52x = 402,494.76 × 90,880.18
  4. Step 4: Simplify right side
    268,497.52x = 36,578,796,237.86
  5. Step 5: Solve for x
    x = 36,578,796,237.86/268,497.52
  6. Step 6: Final answer
    x = 136,235.14

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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.