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Finding the Fourth Proportional to 426,095.10, 587,763.27 and 273,078.95

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Solution

The fourth proportional to 426,095.10, 587,763.27 and 273,078.95 is: 376,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,095.10 : 587,763.27 = 273,078.95 : x
  2. Step 2: Convert to fraction form
    426,095.10/587,763.27 = 273,078.95/x
  3. Step 3: Cross multiply
    426,095.10x = 587,763.27 × 273,078.95
  4. Step 4: Simplify right side
    426,095.10x = 160,505,773,681.35
  5. Step 5: Solve for x
    x = 160,505,773,681.35/426,095.10
  6. Step 6: Final answer
    x = 376,690.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.