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Finding the Fourth Proportional to 359,495.01, 496,014.66 and 219,758.31

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Solution

The fourth proportional to 359,495.01, 496,014.66 and 219,758.31 is: 303,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,495.01 : 496,014.66 = 219,758.31 : x
  2. Step 2: Convert to fraction form
    359,495.01/496,014.66 = 219,758.31/x
  3. Step 3: Cross multiply
    359,495.01x = 496,014.66 × 219,758.31
  4. Step 4: Simplify right side
    359,495.01x = 109,003,343,416.83
  5. Step 5: Solve for x
    x = 109,003,343,416.83/359,495.01
  6. Step 6: Final answer
    x = 303,212.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.