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Finding the Fourth Proportional to 536,376.72, 804,663.54 and 255,894

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Solution

The fourth proportional to 536,376.72, 804,663.54 and 255,894 is: 383,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,376.72 : 804,663.54 = 255,894 : x
  2. Step 2: Convert to fraction form
    536,376.72/804,663.54 = 255,894/x
  3. Step 3: Cross multiply
    536,376.72x = 804,663.54 × 255,894
  4. Step 4: Simplify right side
    536,376.72x = 205,908,571,904.76
  5. Step 5: Solve for x
    x = 205,908,571,904.76/536,376.72
  6. Step 6: Final answer
    x = 383,887.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.