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Finding the Fourth Proportional to 170,985.97, 256,478.91 and 46,326.97

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Solution

The fourth proportional to 170,985.97, 256,478.91 and 46,326.97 is: 69,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,985.97 : 256,478.91 = 46,326.97 : x
  2. Step 2: Convert to fraction form
    170,985.97/256,478.91 = 46,326.97/x
  3. Step 3: Cross multiply
    170,985.97x = 256,478.91 × 46,326.97
  4. Step 4: Simplify right side
    170,985.97x = 11,881,890,769.20
  5. Step 5: Solve for x
    x = 11,881,890,769.20/170,985.97
  6. Step 6: Final answer
    x = 69,490.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.