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Finding the Fourth Proportional to 476,148.68, 713,952.20 and 368,039.72

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Solution

The fourth proportional to 476,148.68, 713,952.20 and 368,039.72 is: 551,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,148.68 : 713,952.20 = 368,039.72 : x
  2. Step 2: Convert to fraction form
    476,148.68/713,952.20 = 368,039.72/x
  3. Step 3: Cross multiply
    476,148.68x = 713,952.20 × 368,039.72
  4. Step 4: Simplify right side
    476,148.68x = 262,762,767,781.38
  5. Step 5: Solve for x
    x = 262,762,767,781.38/476,148.68
  6. Step 6: Final answer
    x = 551,850.25

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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.