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Finding the Fourth Proportional to 295,898.16, 408,347.40 and 181,174.32

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Solution

The fourth proportional to 295,898.16, 408,347.40 and 181,174.32 is: 250,025.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,898.16 : 408,347.40 = 181,174.32 : x
  2. Step 2: Convert to fraction form
    295,898.16/408,347.40 = 181,174.32/x
  3. Step 3: Cross multiply
    295,898.16x = 408,347.40 × 181,174.32
  4. Step 4: Simplify right side
    295,898.16x = 73,982,062,518.77
  5. Step 5: Solve for x
    x = 73,982,062,518.77/295,898.16
  6. Step 6: Final answer
    x = 250,025.42

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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.