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Finding the Fourth Proportional to 476,353.19, 714,670.14 and 191,897.36

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Solution

The fourth proportional to 476,353.19, 714,670.14 and 191,897.36 is: 287,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,353.19 : 714,670.14 = 191,897.36 : x
  2. Step 2: Convert to fraction form
    476,353.19/714,670.14 = 191,897.36/x
  3. Step 3: Cross multiply
    476,353.19x = 714,670.14 × 191,897.36
  4. Step 4: Simplify right side
    476,353.19x = 137,143,313,136.83
  5. Step 5: Solve for x
    x = 137,143,313,136.83/476,353.19
  6. Step 6: Final answer
    x = 287,902.58

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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.