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Finding the Fourth Proportional to 504,225.50, 695,831.20 and 277,871

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Solution

The fourth proportional to 504,225.50, 695,831.20 and 277,871 is: 383,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,225.50 : 695,831.20 = 277,871 : x
  2. Step 2: Convert to fraction form
    504,225.50/695,831.20 = 277,871/x
  3. Step 3: Cross multiply
    504,225.50x = 695,831.20 × 277,871
  4. Step 4: Simplify right side
    504,225.50x = 193,351,311,375.20
  5. Step 5: Solve for x
    x = 193,351,311,375.20/504,225.50
  6. Step 6: Final answer
    x = 383,461.99

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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.