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Finding the Fourth Proportional to 671,994.17, 927,351.54 and 370,188.17

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Solution

The fourth proportional to 671,994.17, 927,351.54 and 370,188.17 is: 510,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,994.17 : 927,351.54 = 370,188.17 : x
  2. Step 2: Convert to fraction form
    671,994.17/927,351.54 = 370,188.17/x
  3. Step 3: Cross multiply
    671,994.17x = 927,351.54 × 370,188.17
  4. Step 4: Simplify right side
    671,994.17x = 343,294,568,146.37
  5. Step 5: Solve for x
    x = 343,294,568,146.37/671,994.17
  6. Step 6: Final answer
    x = 510,859.45

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Double scale
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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.