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Finding the Fourth Proportional to 586,169.40, 879,237.62 and 186,834.10

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Solution

The fourth proportional to 586,169.40, 879,237.62 and 186,834.10 is: 280,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,169.40 : 879,237.62 = 186,834.10 : x
  2. Step 2: Convert to fraction form
    586,169.40/879,237.62 = 186,834.10/x
  3. Step 3: Cross multiply
    586,169.40x = 879,237.62 × 186,834.10
  4. Step 4: Simplify right side
    586,169.40x = 164,271,569,418.84
  5. Step 5: Solve for x
    x = 164,271,569,418.84/586,169.40
  6. Step 6: Final answer
    x = 280,245.90

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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.