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Finding the Fourth Proportional to 301,001.31, 415,389.74 and 170,168.55

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Solution

The fourth proportional to 301,001.31, 415,389.74 and 170,168.55 is: 234,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,001.31 : 415,389.74 = 170,168.55 : x
  2. Step 2: Convert to fraction form
    301,001.31/415,389.74 = 170,168.55/x
  3. Step 3: Cross multiply
    301,001.31x = 415,389.74 × 170,168.55
  4. Step 4: Simplify right side
    301,001.31x = 70,686,268,889.83
  5. Step 5: Solve for x
    x = 70,686,268,889.83/301,001.31
  6. Step 6: Final answer
    x = 234,837.08

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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.