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Finding the Fourth Proportional to 319,997.01, 441,585.88 and 174,800.46

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Solution

The fourth proportional to 319,997.01, 441,585.88 and 174,800.46 is: 241,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,997.01 : 441,585.88 = 174,800.46 : x
  2. Step 2: Convert to fraction form
    319,997.01/441,585.88 = 174,800.46/x
  3. Step 3: Cross multiply
    319,997.01x = 441,585.88 × 174,800.46
  4. Step 4: Simplify right side
    319,997.01x = 77,189,416,172.45
  5. Step 5: Solve for x
    x = 77,189,416,172.45/319,997.01
  6. Step 6: Final answer
    x = 241,219.18

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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.