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Finding the Fourth Proportional to 372,925.80, 559,388.70 and 333,559.80

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Solution

The fourth proportional to 372,925.80, 559,388.70 and 333,559.80 is: 500,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,925.80 : 559,388.70 = 333,559.80 : x
  2. Step 2: Convert to fraction form
    372,925.80/559,388.70 = 333,559.80/x
  3. Step 3: Cross multiply
    372,925.80x = 559,388.70 × 333,559.80
  4. Step 4: Simplify right side
    372,925.80x = 186,589,582,894.26
  5. Step 5: Solve for x
    x = 186,589,582,894.26/372,925.80
  6. Step 6: Final answer
    x = 500,339.70

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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.