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Finding the Fourth Proportional to 374,000.25, 516,157.71 and 223,097.25

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Solution

The fourth proportional to 374,000.25, 516,157.71 and 223,097.25 is: 307,896.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,000.25 : 516,157.71 = 223,097.25 : x
  2. Step 2: Convert to fraction form
    374,000.25/516,157.71 = 223,097.25/x
  3. Step 3: Cross multiply
    374,000.25x = 516,157.71 × 223,097.25
  4. Step 4: Simplify right side
    374,000.25x = 115,153,365,667.30
  5. Step 5: Solve for x
    x = 115,153,365,667.30/374,000.25
  6. Step 6: Final answer
    x = 307,896.49

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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.