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Finding the Fourth Proportional to 587,058.07, 880,925.74 and 317,186.98

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Solution

The fourth proportional to 587,058.07, 880,925.74 and 317,186.98 is: 475,963.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,058.07 : 880,925.74 = 317,186.98 : x
  2. Step 2: Convert to fraction form
    587,058.07/880,925.74 = 317,186.98/x
  3. Step 3: Cross multiply
    587,058.07x = 880,925.74 × 317,186.98
  4. Step 4: Simplify right side
    587,058.07x = 279,418,173,593.14
  5. Step 5: Solve for x
    x = 279,418,173,593.14/587,058.07
  6. Step 6: Final answer
    x = 475,963.44

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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.