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Finding the Fourth Proportional to 368,379.01, 508,357.96 and 207,234.01

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Solution

The fourth proportional to 368,379.01, 508,357.96 and 207,234.01 is: 285,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,379.01 : 508,357.96 = 207,234.01 : x
  2. Step 2: Convert to fraction form
    368,379.01/508,357.96 = 207,234.01/x
  3. Step 3: Cross multiply
    368,379.01x = 508,357.96 × 207,234.01
  4. Step 4: Simplify right side
    368,379.01x = 105,349,058,566.22
  5. Step 5: Solve for x
    x = 105,349,058,566.22/368,379.01
  6. Step 6: Final answer
    x = 285,980.08

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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.