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Finding the Fourth Proportional to 503,886.12, 695,362.86 and 277,531.62

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Solution

The fourth proportional to 503,886.12, 695,362.86 and 277,531.62 is: 382,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,886.12 : 695,362.86 = 277,531.62 : x
  2. Step 2: Convert to fraction form
    503,886.12/695,362.86 = 277,531.62/x
  3. Step 3: Cross multiply
    503,886.12x = 695,362.86 × 277,531.62
  4. Step 4: Simplify right side
    503,886.12x = 192,985,181,023.63
  5. Step 5: Solve for x
    x = 192,985,181,023.63/503,886.12
  6. Step 6: Final answer
    x = 382,993.64

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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.