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Finding the Fourth Proportional to 605,045.70, 907,568.55 and 463,328.10

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Solution

The fourth proportional to 605,045.70, 907,568.55 and 463,328.10 is: 694,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,045.70 : 907,568.55 = 463,328.10 : x
  2. Step 2: Convert to fraction form
    605,045.70/907,568.55 = 463,328.10/x
  3. Step 3: Cross multiply
    605,045.70x = 907,568.55 × 463,328.10
  4. Step 4: Simplify right side
    605,045.70x = 420,502,011,891.26
  5. Step 5: Solve for x
    x = 420,502,011,891.26/605,045.70
  6. Step 6: Final answer
    x = 694,992.15

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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.