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Finding the Fourth Proportional to 503,959.88, 695,464.64 and 277,605.38

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Solution

The fourth proportional to 503,959.88, 695,464.64 and 277,605.38 is: 383,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,959.88 : 695,464.64 = 277,605.38 : x
  2. Step 2: Convert to fraction form
    503,959.88/695,464.64 = 277,605.38/x
  3. Step 3: Cross multiply
    503,959.88x = 695,464.64 × 277,605.38
  4. Step 4: Simplify right side
    503,959.88x = 193,064,720,798.41
  5. Step 5: Solve for x
    x = 193,064,720,798.41/503,959.88
  6. Step 6: Final answer
    x = 383,095.42

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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.