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Finding the Fourth Proportional to 586,137.90, 879,197.31 and 186,773.28

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Solution

The fourth proportional to 586,137.90, 879,197.31 and 186,773.28 is: 280,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,137.90 : 879,197.31 = 186,773.28 : x
  2. Step 2: Convert to fraction form
    586,137.90/879,197.31 = 186,773.28/x
  3. Step 3: Cross multiply
    586,137.90x = 879,197.31 × 186,773.28
  4. Step 4: Simplify right side
    586,137.90x = 164,210,565,355.88
  5. Step 5: Solve for x
    x = 164,210,565,355.88/586,137.90
  6. Step 6: Final answer
    x = 280,156.88

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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.