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Finding the Fourth Proportional to 586,153.15, 879,213.33 and 186,817.89

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Solution

The fourth proportional to 586,153.15, 879,213.33 and 186,817.89 is: 280,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,153.15 : 879,213.33 = 186,817.89 : x
  2. Step 2: Convert to fraction form
    586,153.15/879,213.33 = 186,817.89/x
  3. Step 3: Cross multiply
    586,153.15x = 879,213.33 × 186,817.89
  4. Step 4: Simplify right side
    586,153.15x = 164,252,773,840.32
  5. Step 5: Solve for x
    x = 164,252,773,840.32/586,153.15
  6. Step 6: Final answer
    x = 280,221.60

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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.