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Finding the Fourth Proportional to 304,526.52, 420,149.97 and 177,177.51

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Solution

The fourth proportional to 304,526.52, 420,149.97 and 177,177.51 is: 244,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,526.52 : 420,149.97 = 177,177.51 : x
  2. Step 2: Convert to fraction form
    304,526.52/420,149.97 = 177,177.51/x
  3. Step 3: Cross multiply
    304,526.52x = 420,149.97 × 177,177.51
  4. Step 4: Simplify right side
    304,526.52x = 74,441,125,511.17
  5. Step 5: Solve for x
    x = 74,441,125,511.17/304,526.52
  6. Step 6: Final answer
    x = 244,448.74

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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.