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Finding the Fourth Proportional to 586,500.91, 879,735.97 and 187,166.05

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Solution

The fourth proportional to 586,500.91, 879,735.97 and 187,166.05 is: 280,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,500.91 : 879,735.97 = 187,166.05 : x
  2. Step 2: Convert to fraction form
    586,500.91/879,735.97 = 187,166.05/x
  3. Step 3: Cross multiply
    586,500.91x = 879,735.97 × 187,166.05
  4. Step 4: Simplify right side
    586,500.91x = 164,656,706,547.82
  5. Step 5: Solve for x
    x = 164,656,706,547.82/586,500.91
  6. Step 6: Final answer
    x = 280,744.16

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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.