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Finding the Fourth Proportional to 447,645.62, 670,623.32 and 346,617.12

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Solution

The fourth proportional to 447,645.62, 670,623.32 and 346,617.12 is: 519,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,645.62 : 670,623.32 = 346,617.12 : x
  2. Step 2: Convert to fraction form
    447,645.62/670,623.32 = 346,617.12/x
  3. Step 3: Cross multiply
    447,645.62x = 670,623.32 × 346,617.12
  4. Step 4: Simplify right side
    447,645.62x = 232,449,523,783.24
  5. Step 5: Solve for x
    x = 232,449,523,783.24/447,645.62
  6. Step 6: Final answer
    x = 519,271.30

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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.