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Finding the Fourth Proportional to 374,189.94, 516,405.90 and 213,059.06

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Solution

The fourth proportional to 374,189.94, 516,405.90 and 213,059.06 is: 294,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,189.94 : 516,405.90 = 213,059.06 : x
  2. Step 2: Convert to fraction form
    374,189.94/516,405.90 = 213,059.06/x
  3. Step 3: Cross multiply
    374,189.94x = 516,405.90 × 213,059.06
  4. Step 4: Simplify right side
    374,189.94x = 110,024,955,632.45
  5. Step 5: Solve for x
    x = 110,024,955,632.45/374,189.94
  6. Step 6: Final answer
    x = 294,035.04

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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.