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Finding the Fourth Proportional to 265,999.86, 366,934.59 and 170,398.80

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Solution

The fourth proportional to 265,999.86, 366,934.59 and 170,398.80 is: 235,057.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,999.86 : 366,934.59 = 170,398.80 : x
  2. Step 2: Convert to fraction form
    265,999.86/366,934.59 = 170,398.80/x
  3. Step 3: Cross multiply
    265,999.86x = 366,934.59 × 170,398.80
  4. Step 4: Simplify right side
    265,999.86x = 62,525,213,814.49
  5. Step 5: Solve for x
    x = 62,525,213,814.49/265,999.86
  6. Step 6: Final answer
    x = 235,057.32

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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.