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Finding the Fourth Proportional to 503,897.22, 695,378.14 and 277,542.72

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Solution

The fourth proportional to 503,897.22, 695,378.14 and 277,542.72 is: 383,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,897.22 : 695,378.14 = 277,542.72 : x
  2. Step 2: Convert to fraction form
    503,897.22/695,378.14 = 277,542.72/x
  3. Step 3: Cross multiply
    503,897.22x = 695,378.14 × 277,542.72
  4. Step 4: Simplify right side
    503,897.22x = 192,997,139,710.28
  5. Step 5: Solve for x
    x = 192,997,139,710.28/503,897.22
  6. Step 6: Final answer
    x = 383,008.94

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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.