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Finding the Fourth Proportional to 577,713.32, 796,975.73 and 373,830.13

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Solution

The fourth proportional to 577,713.32, 796,975.73 and 373,830.13 is: 515,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,713.32 : 796,975.73 = 373,830.13 : x
  2. Step 2: Convert to fraction form
    577,713.32/796,975.73 = 373,830.13/x
  3. Step 3: Cross multiply
    577,713.32x = 796,975.73 × 373,830.13
  4. Step 4: Simplify right side
    577,713.32x = 297,933,537,988.79
  5. Step 5: Solve for x
    x = 297,933,537,988.79/577,713.32
  6. Step 6: Final answer
    x = 515,711.74

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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.