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Finding the Fourth Proportional to 586,097.65, 879,107.59 and 266,173.57

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Solution

The fourth proportional to 586,097.65, 879,107.59 and 266,173.57 is: 399,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,097.65 : 879,107.59 = 266,173.57 : x
  2. Step 2: Convert to fraction form
    586,097.65/879,107.59 = 266,173.57/x
  3. Step 3: Cross multiply
    586,097.65x = 879,107.59 × 266,173.57
  4. Step 4: Simplify right side
    586,097.65x = 233,995,205,644.40
  5. Step 5: Solve for x
    x = 233,995,205,644.40/586,097.65
  6. Step 6: Final answer
    x = 399,242.70

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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.