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Finding the Fourth Proportional to 585,048.09, 877,572.13 and 518,617.97

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Solution

The fourth proportional to 585,048.09, 877,572.13 and 518,617.97 is: 777,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,048.09 : 877,572.13 = 518,617.97 : x
  2. Step 2: Convert to fraction form
    585,048.09/877,572.13 = 518,617.97/x
  3. Step 3: Cross multiply
    585,048.09x = 877,572.13 × 518,617.97
  4. Step 4: Simplify right side
    585,048.09x = 455,124,672,201.32
  5. Step 5: Solve for x
    x = 455,124,672,201.32/585,048.09
  6. Step 6: Final answer
    x = 777,926.94

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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.