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Finding the Fourth Proportional to 503,897.72, 695,378.85 and 277,543.22

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Solution

The fourth proportional to 503,897.72, 695,378.85 and 277,543.22 is: 383,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,897.72 : 695,378.85 = 277,543.22 : x
  2. Step 2: Convert to fraction form
    503,897.72/695,378.85 = 277,543.22/x
  3. Step 3: Cross multiply
    503,897.72x = 695,378.85 × 277,543.22
  4. Step 4: Simplify right side
    503,897.72x = 192,997,685,148.90
  5. Step 5: Solve for x
    x = 192,997,685,148.90/503,897.72
  6. Step 6: Final answer
    x = 383,009.64

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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.