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Finding the Fourth Proportional to 298,216.08, 411,549.51 and 170,916.24

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Solution

The fourth proportional to 298,216.08, 411,549.51 and 170,916.24 is: 235,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,216.08 : 411,549.51 = 170,916.24 : x
  2. Step 2: Convert to fraction form
    298,216.08/411,549.51 = 170,916.24/x
  3. Step 3: Cross multiply
    298,216.08x = 411,549.51 × 170,916.24
  4. Step 4: Simplify right side
    298,216.08x = 70,340,494,823.04
  5. Step 5: Solve for x
    x = 70,340,494,823.04/298,216.08
  6. Step 6: Final answer
    x = 235,870.90

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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.