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Finding the Fourth Proportional to 314,500.01, 433,998.56 and 171,256.91

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Solution

The fourth proportional to 314,500.01, 433,998.56 and 171,256.91 is: 236,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,500.01 : 433,998.56 = 171,256.91 : x
  2. Step 2: Convert to fraction form
    314,500.01/433,998.56 = 171,256.91/x
  3. Step 3: Cross multiply
    314,500.01x = 433,998.56 × 171,256.91
  4. Step 4: Simplify right side
    314,500.01x = 74,325,251,473.77
  5. Step 5: Solve for x
    x = 74,325,251,473.77/314,500.01
  6. Step 6: Final answer
    x = 236,328.30

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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.