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Finding the Fourth Proportional to 605,392.90, 835,501.16 and 452,165.06

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Solution

The fourth proportional to 605,392.90, 835,501.16 and 452,165.06 is: 624,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,392.90 : 835,501.16 = 452,165.06 : x
  2. Step 2: Convert to fraction form
    605,392.90/835,501.16 = 452,165.06/x
  3. Step 3: Cross multiply
    605,392.90x = 835,501.16 × 452,165.06
  4. Step 4: Simplify right side
    605,392.90x = 377,784,432,141.47
  5. Step 5: Solve for x
    x = 377,784,432,141.47/605,392.90
  6. Step 6: Final answer
    x = 624,031.82

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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.