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Finding the Fourth Proportional to 586,454.76, 879,791.94 and 266,630.04

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Solution

The fourth proportional to 586,454.76, 879,791.94 and 266,630.04 is: 399,994.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,454.76 : 879,791.94 = 266,630.04 : x
  2. Step 2: Convert to fraction form
    586,454.76/879,791.94 = 266,630.04/x
  3. Step 3: Cross multiply
    586,454.76x = 879,791.94 × 266,630.04
  4. Step 4: Simplify right side
    586,454.76x = 234,578,960,153.88
  5. Step 5: Solve for x
    x = 234,578,960,153.88/586,454.76
  6. Step 6: Final answer
    x = 399,994.98

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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.