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Finding the Fourth Proportional to 586,119.34, 879,169.44 and 186,754.71

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Solution

The fourth proportional to 586,119.34, 879,169.44 and 186,754.71 is: 280,129.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,119.34 : 879,169.44 = 186,754.71 : x
  2. Step 2: Convert to fraction form
    586,119.34/879,169.44 = 186,754.71/x
  3. Step 3: Cross multiply
    586,119.34x = 879,169.44 × 186,754.71
  4. Step 4: Simplify right side
    586,119.34x = 164,189,037,805.28
  5. Step 5: Solve for x
    x = 164,189,037,805.28/586,119.34
  6. Step 6: Final answer
    x = 280,129.02

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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.