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Finding the Fourth Proportional to 350,412.26, 523,698.06 and 255,841.66

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Solution

The fourth proportional to 350,412.26, 523,698.06 and 255,841.66 is: 382,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,412.26 : 523,698.06 = 255,841.66 : x
  2. Step 2: Convert to fraction form
    350,412.26/523,698.06 = 255,841.66/x
  3. Step 3: Cross multiply
    350,412.26x = 523,698.06 × 255,841.66
  4. Step 4: Simplify right side
    350,412.26x = 133,983,781,009.18
  5. Step 5: Solve for x
    x = 133,983,781,009.18/350,412.26
  6. Step 6: Final answer
    x = 382,360.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.