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Finding the Fourth Proportional to 374,350.76, 516,628.98 and 211,047.56

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Solution

The fourth proportional to 374,350.76, 516,628.98 and 211,047.56 is: 291,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,350.76 : 516,628.98 = 211,047.56 : x
  2. Step 2: Convert to fraction form
    374,350.76/516,628.98 = 211,047.56/x
  3. Step 3: Cross multiply
    374,350.76x = 516,628.98 × 211,047.56
  4. Step 4: Simplify right side
    374,350.76x = 109,033,285,654.29
  5. Step 5: Solve for x
    x = 109,033,285,654.29/374,350.76
  6. Step 6: Final answer
    x = 291,259.69

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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.