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Finding the Fourth Proportional to 329,319.81, 454,455.42 and 186,076.77

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Solution

The fourth proportional to 329,319.81, 454,455.42 and 186,076.77 is: 256,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,319.81 : 454,455.42 = 186,076.77 : x
  2. Step 2: Convert to fraction form
    329,319.81/454,455.42 = 186,076.77/x
  3. Step 3: Cross multiply
    329,319.81x = 454,455.42 × 186,076.77
  4. Step 4: Simplify right side
    329,319.81x = 84,563,596,662.59
  5. Step 5: Solve for x
    x = 84,563,596,662.59/329,319.81
  6. Step 6: Final answer
    x = 256,782.60

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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.