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Finding the Fourth Proportional to 503,363.56, 694,641.80 and 277,009.06

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Solution

The fourth proportional to 503,363.56, 694,641.80 and 277,009.06 is: 382,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,363.56 : 694,641.80 = 277,009.06 : x
  2. Step 2: Convert to fraction form
    503,363.56/694,641.80 = 277,009.06/x
  3. Step 3: Cross multiply
    503,363.56x = 694,641.80 × 277,009.06
  4. Step 4: Simplify right side
    503,363.56x = 192,422,072,054.71
  5. Step 5: Solve for x
    x = 192,422,072,054.71/503,363.56
  6. Step 6: Final answer
    x = 382,272.55

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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.