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Finding the Fourth Proportional to 585,998.66, 879,164.40 and 186,670.23

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Solution

The fourth proportional to 585,998.66, 879,164.40 and 186,670.23 is: 280,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,998.66 : 879,164.40 = 186,670.23 : x
  2. Step 2: Convert to fraction form
    585,998.66/879,164.40 = 186,670.23/x
  3. Step 3: Cross multiply
    585,998.66x = 879,164.40 × 186,670.23
  4. Step 4: Simplify right side
    585,998.66x = 164,113,820,755.81
  5. Step 5: Solve for x
    x = 164,113,820,755.81/585,998.66
  6. Step 6: Final answer
    x = 280,058.36

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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.