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Finding the Fourth Proportional to 585,137.52, 877,776.63 and 205,979.51

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Solution

The fourth proportional to 585,137.52, 877,776.63 and 205,979.51 is: 308,994.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,137.52 : 877,776.63 = 205,979.51 : x
  2. Step 2: Convert to fraction form
    585,137.52/877,776.63 = 205,979.51/x
  3. Step 3: Cross multiply
    585,137.52x = 877,776.63 × 205,979.51
  4. Step 4: Simplify right side
    585,137.52x = 180,803,997,780.01
  5. Step 5: Solve for x
    x = 180,803,997,780.01/585,137.52
  6. Step 6: Final answer
    x = 308,994.03

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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.