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Finding the Fourth Proportional to 304,208.45, 455,876.73 and 170,808.46

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Solution

The fourth proportional to 304,208.45, 455,876.73 and 170,808.46 is: 255,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,208.45 : 455,876.73 = 170,808.46 : x
  2. Step 2: Convert to fraction form
    304,208.45/455,876.73 = 170,808.46/x
  3. Step 3: Cross multiply
    304,208.45x = 455,876.73 × 170,808.46
  4. Step 4: Simplify right side
    304,208.45x = 77,867,602,182.92
  5. Step 5: Solve for x
    x = 77,867,602,182.92/304,208.45
  6. Step 6: Final answer
    x = 255,967.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.