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Finding the Fourth Proportional to 314,239.46, 433,659.58 and 171,008.74

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Solution

The fourth proportional to 314,239.46, 433,659.58 and 171,008.74 is: 235,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,239.46 : 433,659.58 = 171,008.74 : x
  2. Step 2: Convert to fraction form
    314,239.46/433,659.58 = 171,008.74/x
  3. Step 3: Cross multiply
    314,239.46x = 433,659.58 × 171,008.74
  4. Step 4: Simplify right side
    314,239.46x = 74,159,578,364.73
  5. Step 5: Solve for x
    x = 74,159,578,364.73/314,239.46
  6. Step 6: Final answer
    x = 235,997.03

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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.