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Finding the Fourth Proportional to 298,330.59, 411,714.63 and 171,025.32

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Solution

The fourth proportional to 298,330.59, 411,714.63 and 171,025.32 is: 236,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,330.59 : 411,714.63 = 171,025.32 : x
  2. Step 2: Convert to fraction form
    298,330.59/411,714.63 = 171,025.32/x
  3. Step 3: Cross multiply
    298,330.59x = 411,714.63 × 171,025.32
  4. Step 4: Simplify right side
    298,330.59x = 70,413,626,344.43
  5. Step 5: Solve for x
    x = 70,413,626,344.43/298,330.59
  6. Step 6: Final answer
    x = 236,025.50

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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.