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Finding the Fourth Proportional to 469,521.60, 705,837.60 and 401,092.80

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Solution

The fourth proportional to 469,521.60, 705,837.60 and 401,092.80 is: 602,967.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,521.60 : 705,837.60 = 401,092.80 : x
  2. Step 2: Convert to fraction form
    469,521.60/705,837.60 = 401,092.80/x
  3. Step 3: Cross multiply
    469,521.60x = 705,837.60 × 401,092.80
  4. Step 4: Simplify right side
    469,521.60x = 283,106,379,329.28
  5. Step 5: Solve for x
    x = 283,106,379,329.28/469,521.60
  6. Step 6: Final answer
    x = 602,967.74

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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.