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Finding the Fourth Proportional to 598,345.92, 825,660 and 330,056.64

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Solution

The fourth proportional to 598,345.92, 825,660 and 330,056.64 is: 455,446.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,345.92 : 825,660 = 330,056.64 : x
  2. Step 2: Convert to fraction form
    598,345.92/825,660 = 330,056.64/x
  3. Step 3: Cross multiply
    598,345.92x = 825,660 × 330,056.64
  4. Step 4: Simplify right side
    598,345.92x = 272,514,565,382.40
  5. Step 5: Solve for x
    x = 272,514,565,382.40/598,345.92
  6. Step 6: Final answer
    x = 455,446.52

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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.