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Finding the Fourth Proportional to 324,407.16, 447,688.60 and 181,167.34

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Solution

The fourth proportional to 324,407.16, 447,688.60 and 181,167.34 is: 250,014.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,407.16 : 447,688.60 = 181,167.34 : x
  2. Step 2: Convert to fraction form
    324,407.16/447,688.60 = 181,167.34/x
  3. Step 3: Cross multiply
    324,407.16x = 447,688.60 × 181,167.34
  4. Step 4: Simplify right side
    324,407.16x = 81,106,552,810.32
  5. Step 5: Solve for x
    x = 81,106,552,810.32/324,407.16
  6. Step 6: Final answer
    x = 250,014.68

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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.