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Finding the Fourth Proportional to 458,588.59, 684,794.86 and 374,515.65

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Solution

The fourth proportional to 458,588.59, 684,794.86 and 374,515.65 is: 559,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,588.59 : 684,794.86 = 374,515.65 : x
  2. Step 2: Convert to fraction form
    458,588.59/684,794.86 = 374,515.65/x
  3. Step 3: Cross multiply
    458,588.59x = 684,794.86 × 374,515.65
  4. Step 4: Simplify right side
    458,588.59x = 256,466,391,173.27
  5. Step 5: Solve for x
    x = 256,466,391,173.27/458,588.59
  6. Step 6: Final answer
    x = 559,251.58

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.