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Finding the Fourth Proportional to 270,615.36, 373,632.96 and 168,681.60

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Solution

The fourth proportional to 270,615.36, 373,632.96 and 168,681.60 is: 232,895.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,615.36 : 373,632.96 = 168,681.60 : x
  2. Step 2: Convert to fraction form
    270,615.36/373,632.96 = 168,681.60/x
  3. Step 3: Cross multiply
    270,615.36x = 373,632.96 × 168,681.60
  4. Step 4: Simplify right side
    270,615.36x = 63,025,005,505.54
  5. Step 5: Solve for x
    x = 63,025,005,505.54/270,615.36
  6. Step 6: Final answer
    x = 232,895.15

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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.