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Finding the Fourth Proportional to 528,894.42, 793,369.34 and 402,732.54

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Solution

The fourth proportional to 528,894.42, 793,369.34 and 402,732.54 is: 604,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,894.42 : 793,369.34 = 402,732.54 : x
  2. Step 2: Convert to fraction form
    528,894.42/793,369.34 = 402,732.54/x
  3. Step 3: Cross multiply
    528,894.42x = 793,369.34 × 402,732.54
  4. Step 4: Simplify right side
    528,894.42x = 319,515,647,442.66
  5. Step 5: Solve for x
    x = 319,515,647,442.66/528,894.42
  6. Step 6: Final answer
    x = 604,119.91

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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.