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Finding the Fourth Proportional to 304,483.80, 420,178.95 and 168,523.32

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Solution

The fourth proportional to 304,483.80, 420,178.95 and 168,523.32 is: 232,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,483.80 : 420,178.95 = 168,523.32 : x
  2. Step 2: Convert to fraction form
    304,483.80/420,178.95 = 168,523.32/x
  3. Step 3: Cross multiply
    304,483.80x = 420,178.95 × 168,523.32
  4. Step 4: Simplify right side
    304,483.80x = 70,809,951,648.11
  5. Step 5: Solve for x
    x = 70,809,951,648.11/304,483.80
  6. Step 6: Final answer
    x = 232,557.37

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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.