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Finding the Fourth Proportional to 347,841.42, 521,995.95 and 123,201.06

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Solution

The fourth proportional to 347,841.42, 521,995.95 and 123,201.06 is: 184,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,841.42 : 521,995.95 = 123,201.06 : x
  2. Step 2: Convert to fraction form
    347,841.42/521,995.95 = 123,201.06/x
  3. Step 3: Cross multiply
    347,841.42x = 521,995.95 × 123,201.06
  4. Step 4: Simplify right side
    347,841.42x = 64,310,454,355.71
  5. Step 5: Solve for x
    x = 64,310,454,355.71/347,841.42
  6. Step 6: Final answer
    x = 184,884.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.