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Finding the Fourth Proportional to 608,897.58, 840,257.92 and 336,976.93

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Solution

The fourth proportional to 608,897.58, 840,257.92 and 336,976.93 is: 465,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,897.58 : 840,257.92 = 336,976.93 : x
  2. Step 2: Convert to fraction form
    608,897.58/840,257.92 = 336,976.93/x
  3. Step 3: Cross multiply
    608,897.58x = 840,257.92 × 336,976.93
  4. Step 4: Simplify right side
    608,897.58x = 283,147,534,289.79
  5. Step 5: Solve for x
    x = 283,147,534,289.79/608,897.58
  6. Step 6: Final answer
    x = 465,016.69

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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.