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Finding the Fourth Proportional to 605,260.10, 907,890.15 and 369,064.10

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Solution

The fourth proportional to 605,260.10, 907,890.15 and 369,064.10 is: 553,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,260.10 : 907,890.15 = 369,064.10 : x
  2. Step 2: Convert to fraction form
    605,260.10/907,890.15 = 369,064.10/x
  3. Step 3: Cross multiply
    605,260.10x = 907,890.15 × 369,064.10
  4. Step 4: Simplify right side
    605,260.10x = 335,069,661,108.62
  5. Step 5: Solve for x
    x = 335,069,661,108.62/605,260.10
  6. Step 6: Final answer
    x = 553,596.15

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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.