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Finding the Fourth Proportional to 496,590.21, 685,368.27 and 292,575.92

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Solution

The fourth proportional to 496,590.21, 685,368.27 and 292,575.92 is: 403,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,590.21 : 685,368.27 = 292,575.92 : x
  2. Step 2: Convert to fraction form
    496,590.21/685,368.27 = 292,575.92/x
  3. Step 3: Cross multiply
    496,590.21x = 685,368.27 × 292,575.92
  4. Step 4: Simplify right side
    496,590.21x = 200,522,248,707.22
  5. Step 5: Solve for x
    x = 200,522,248,707.22/496,590.21
  6. Step 6: Final answer
    x = 403,798.23

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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.