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Finding the Fourth Proportional to 476,891.12, 714,838.44 and 350,343.20

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Solution

The fourth proportional to 476,891.12, 714,838.44 and 350,343.20 is: 525,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,891.12 : 714,838.44 = 350,343.20 : x
  2. Step 2: Convert to fraction form
    476,891.12/714,838.44 = 350,343.20/x
  3. Step 3: Cross multiply
    476,891.12x = 714,838.44 × 350,343.20
  4. Step 4: Simplify right side
    476,891.12x = 250,438,786,552.61
  5. Step 5: Solve for x
    x = 250,438,786,552.61/476,891.12
  6. Step 6: Final answer
    x = 525,148.77

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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.