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Finding the Fourth Proportional to 479,695.30, 719,918.98 and 334,657.92

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Solution

The fourth proportional to 479,695.30, 719,918.98 and 334,657.92 is: 502,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,695.30 : 719,918.98 = 334,657.92 : x
  2. Step 2: Convert to fraction form
    479,695.30/719,918.98 = 334,657.92/x
  3. Step 3: Cross multiply
    479,695.30x = 719,918.98 × 334,657.92
  4. Step 4: Simplify right side
    479,695.30x = 240,926,590,278.37
  5. Step 5: Solve for x
    x = 240,926,590,278.37/479,695.30
  6. Step 6: Final answer
    x = 502,249.22

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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.