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Finding the Fourth Proportional to 298,164.91, 411,478.32 and 170,865.11

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Solution

The fourth proportional to 298,164.91, 411,478.32 and 170,865.11 is: 235,800.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,164.91 : 411,478.32 = 170,865.11 : x
  2. Step 2: Convert to fraction form
    298,164.91/411,478.32 = 170,865.11/x
  3. Step 3: Cross multiply
    298,164.91x = 411,478.32 × 170,865.11
  4. Step 4: Simplify right side
    298,164.91x = 70,307,286,352.02
  5. Step 5: Solve for x
    x = 70,307,286,352.02/298,164.91
  6. Step 6: Final answer
    x = 235,800.00

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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.