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Finding the Fourth Proportional to 314,335.01, 433,770.26 and 178,360.83

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Solution

The fourth proportional to 314,335.01, 433,770.26 and 178,360.83 is: 246,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,335.01 : 433,770.26 = 178,360.83 : x
  2. Step 2: Convert to fraction form
    314,335.01/433,770.26 = 178,360.83/x
  3. Step 3: Cross multiply
    314,335.01x = 433,770.26 × 178,360.83
  4. Step 4: Simplify right side
    314,335.01x = 77,367,622,711.11
  5. Step 5: Solve for x
    x = 77,367,622,711.11/314,335.01
  6. Step 6: Final answer
    x = 246,131.11

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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.