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Finding the Fourth Proportional to 503,941.86, 695,439.82 and 277,587.36

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Solution

The fourth proportional to 503,941.86, 695,439.82 and 277,587.36 is: 383,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,941.86 : 695,439.82 = 277,587.36 : x
  2. Step 2: Convert to fraction form
    503,941.86/695,439.82 = 277,587.36/x
  3. Step 3: Cross multiply
    503,941.86x = 695,439.82 × 277,587.36
  4. Step 4: Simplify right side
    503,941.86x = 193,045,303,672.68
  5. Step 5: Solve for x
    x = 193,045,303,672.68/503,941.86
  6. Step 6: Final answer
    x = 383,070.59

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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.