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Finding the Fourth Proportional to 294,280.77, 406,080.99 and 171,783.78

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Solution

The fourth proportional to 294,280.77, 406,080.99 and 171,783.78 is: 237,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,280.77 : 406,080.99 = 171,783.78 : x
  2. Step 2: Convert to fraction form
    294,280.77/406,080.99 = 171,783.78/x
  3. Step 3: Cross multiply
    294,280.77x = 406,080.99 × 171,783.78
  4. Step 4: Simplify right side
    294,280.77x = 69,758,128,326.96
  5. Step 5: Solve for x
    x = 69,758,128,326.96/294,280.77
  6. Step 6: Final answer
    x = 237,046.16

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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.