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Finding the Fourth Proportional to 356,376.39, 534,598.37 and 100,208.40

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Solution

The fourth proportional to 356,376.39, 534,598.37 and 100,208.40 is: 150,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,376.39 : 534,598.37 = 100,208.40 : x
  2. Step 2: Convert to fraction form
    356,376.39/534,598.37 = 100,208.40/x
  3. Step 3: Cross multiply
    356,376.39x = 534,598.37 × 100,208.40
  4. Step 4: Simplify right side
    356,376.39x = 53,571,246,799.27
  5. Step 5: Solve for x
    x = 53,571,246,799.27/356,376.39
  6. Step 6: Final answer
    x = 150,322.10

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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.