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Finding the Fourth Proportional to 635,953.20, 877,424.04 and 381,211.44

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Solution

The fourth proportional to 635,953.20, 877,424.04 and 381,211.44 is: 525,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,953.20 : 877,424.04 = 381,211.44 : x
  2. Step 2: Convert to fraction form
    635,953.20/877,424.04 = 381,211.44/x
  3. Step 3: Cross multiply
    635,953.20x = 877,424.04 × 381,211.44
  4. Step 4: Simplify right side
    635,953.20x = 334,484,081,779.02
  5. Step 5: Solve for x
    x = 334,484,081,779.02/635,953.20
  6. Step 6: Final answer
    x = 525,957.07

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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.