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Finding the Fourth Proportional to 270,783.18, 373,684.73 and 155,998.49

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Solution

The fourth proportional to 270,783.18, 373,684.73 and 155,998.49 is: 215,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,783.18 : 373,684.73 = 155,998.49 : x
  2. Step 2: Convert to fraction form
    270,783.18/373,684.73 = 155,998.49/x
  3. Step 3: Cross multiply
    270,783.18x = 373,684.73 × 155,998.49
  4. Step 4: Simplify right side
    270,783.18x = 58,294,250,967.64
  5. Step 5: Solve for x
    x = 58,294,250,967.64/270,783.18
  6. Step 6: Final answer
    x = 215,280.18

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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.