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Finding the Fourth Proportional to 529,060.40, 793,590.60 and 361,098.80

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Solution

The fourth proportional to 529,060.40, 793,590.60 and 361,098.80 is: 541,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,060.40 : 793,590.60 = 361,098.80 : x
  2. Step 2: Convert to fraction form
    529,060.40/793,590.60 = 361,098.80/x
  3. Step 3: Cross multiply
    529,060.40x = 793,590.60 × 361,098.80
  4. Step 4: Simplify right side
    529,060.40x = 286,564,613,351.28
  5. Step 5: Solve for x
    x = 286,564,613,351.28/529,060.40
  6. Step 6: Final answer
    x = 541,648.20

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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.