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Finding the Fourth Proportional to 298,253.92, 411,607.44 and 170,950.72

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Solution

The fourth proportional to 298,253.92, 411,607.44 and 170,950.72 is: 235,921.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,253.92 : 411,607.44 = 170,950.72 : x
  2. Step 2: Convert to fraction form
    298,253.92/411,607.44 = 170,950.72/x
  3. Step 3: Cross multiply
    298,253.92x = 411,607.44 × 170,950.72
  4. Step 4: Simplify right side
    298,253.92x = 70,364,588,225.36
  5. Step 5: Solve for x
    x = 70,364,588,225.36/298,253.92
  6. Step 6: Final answer
    x = 235,921.75

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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.