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Finding the Fourth Proportional to 304,798.39, 420,602.31 and 175,730.17

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Solution

The fourth proportional to 304,798.39, 420,602.31 and 175,730.17 is: 242,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,798.39 : 420,602.31 = 175,730.17 : x
  2. Step 2: Convert to fraction form
    304,798.39/420,602.31 = 175,730.17/x
  3. Step 3: Cross multiply
    304,798.39x = 420,602.31 × 175,730.17
  4. Step 4: Simplify right side
    304,798.39x = 73,912,515,438.69
  5. Step 5: Solve for x
    x = 73,912,515,438.69/304,798.39
  6. Step 6: Final answer
    x = 242,496.41

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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.