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Finding the Fourth Proportional to 328,989.73, 454,005.94 and 185,759.00

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Solution

The fourth proportional to 328,989.73, 454,005.94 and 185,759.00 is: 256,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,989.73 : 454,005.94 = 185,759.00 : x
  2. Step 2: Convert to fraction form
    328,989.73/454,005.94 = 185,759.00/x
  3. Step 3: Cross multiply
    328,989.73x = 454,005.94 × 185,759.00
  4. Step 4: Simplify right side
    328,989.73x = 84,335,686,925.51
  5. Step 5: Solve for x
    x = 84,335,686,925.51/328,989.73
  6. Step 6: Final answer
    x = 256,347.48

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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.