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Finding the Fourth Proportional to 528,540.60, 793,329.30 and 262,601.40

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Solution

The fourth proportional to 528,540.60, 793,329.30 and 262,601.40 is: 394,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,540.60 : 793,329.30 = 262,601.40 : x
  2. Step 2: Convert to fraction form
    528,540.60/793,329.30 = 262,601.40/x
  3. Step 3: Cross multiply
    528,540.60x = 793,329.30 × 262,601.40
  4. Step 4: Simplify right side
    528,540.60x = 208,329,384,841.02
  5. Step 5: Solve for x
    x = 208,329,384,841.02/528,540.60
  6. Step 6: Final answer
    x = 394,159.66

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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.