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Finding the Fourth Proportional to 406,236.78, 560,602.86 and 234,091.50

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Solution

The fourth proportional to 406,236.78, 560,602.86 and 234,091.50 is: 323,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,236.78 : 560,602.86 = 234,091.50 : x
  2. Step 2: Convert to fraction form
    406,236.78/560,602.86 = 234,091.50/x
  3. Step 3: Cross multiply
    406,236.78x = 560,602.86 × 234,091.50
  4. Step 4: Simplify right side
    406,236.78x = 131,232,364,401.69
  5. Step 5: Solve for x
    x = 131,232,364,401.69/406,236.78
  6. Step 6: Final answer
    x = 323,044.02

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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.