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Finding the Fourth Proportional to 304,594.76, 420,335.52 and 168,625.82

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Solution

The fourth proportional to 304,594.76, 420,335.52 and 168,625.82 is: 232,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,594.76 : 420,335.52 = 168,625.82 : x
  2. Step 2: Convert to fraction form
    304,594.76/420,335.52 = 168,625.82/x
  3. Step 3: Cross multiply
    304,594.76x = 420,335.52 × 168,625.82
  4. Step 4: Simplify right side
    304,594.76x = 70,879,421,735.13
  5. Step 5: Solve for x
    x = 70,879,421,735.13/304,594.76
  6. Step 6: Final answer
    x = 232,700.73

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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.