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Finding the Fourth Proportional to 338,970.64, 467,778.20 and 186,011.39

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Solution

The fourth proportional to 338,970.64, 467,778.20 and 186,011.39 is: 256,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,970.64 : 467,778.20 = 186,011.39 : x
  2. Step 2: Convert to fraction form
    338,970.64/467,778.20 = 186,011.39/x
  3. Step 3: Cross multiply
    338,970.64x = 467,778.20 × 186,011.39
  4. Step 4: Simplify right side
    338,970.64x = 87,012,071,324.99
  5. Step 5: Solve for x
    x = 87,012,071,324.99/338,970.64
  6. Step 6: Final answer
    x = 256,695.01

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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.