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Finding the Fourth Proportional to 507,379.32, 700,252.02 and 292,515.48

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Solution

The fourth proportional to 507,379.32, 700,252.02 and 292,515.48 is: 403,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,379.32 : 700,252.02 = 292,515.48 : x
  2. Step 2: Convert to fraction form
    507,379.32/700,252.02 = 292,515.48/x
  3. Step 3: Cross multiply
    507,379.32x = 700,252.02 × 292,515.48
  4. Step 4: Simplify right side
    507,379.32x = 204,834,555,751.27
  5. Step 5: Solve for x
    x = 204,834,555,751.27/507,379.32
  6. Step 6: Final answer
    x = 403,710.89

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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.