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Finding the Fourth Proportional to 503,653.41, 695,020.65 and 277,284.33

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Solution

The fourth proportional to 503,653.41, 695,020.65 and 277,284.33 is: 382,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,653.41 : 695,020.65 = 277,284.33 : x
  2. Step 2: Convert to fraction form
    503,653.41/695,020.65 = 277,284.33/x
  3. Step 3: Cross multiply
    503,653.41x = 695,020.65 × 277,284.33
  4. Step 4: Simplify right side
    503,653.41x = 192,718,335,271.42
  5. Step 5: Solve for x
    x = 192,718,335,271.42/503,653.41
  6. Step 6: Final answer
    x = 382,640.78

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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.