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Finding the Fourth Proportional to 373,598.50, 515,565.93 and 239,462.50

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Solution

The fourth proportional to 373,598.50, 515,565.93 and 239,462.50 is: 330,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,598.50 : 515,565.93 = 239,462.50 : x
  2. Step 2: Convert to fraction form
    373,598.50/515,565.93 = 239,462.50/x
  3. Step 3: Cross multiply
    373,598.50x = 515,565.93 × 239,462.50
  4. Step 4: Simplify right side
    373,598.50x = 123,458,706,512.63
  5. Step 5: Solve for x
    x = 123,458,706,512.63/373,598.50
  6. Step 6: Final answer
    x = 330,458.25

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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.