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Finding the Fourth Proportional to 338,717.64, 467,436.78 and 185,746.71

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Solution

The fourth proportional to 338,717.64, 467,436.78 and 185,746.71 is: 256,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,717.64 : 467,436.78 = 185,746.71 : x
  2. Step 2: Convert to fraction form
    338,717.64/467,436.78 = 185,746.71/x
  3. Step 3: Cross multiply
    338,717.64x = 467,436.78 × 185,746.71
  4. Step 4: Simplify right side
    338,717.64x = 86,824,844,017.99
  5. Step 5: Solve for x
    x = 86,824,844,017.99/338,717.64
  6. Step 6: Final answer
    x = 256,333.99

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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.