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Finding the Fourth Proportional to 614,230.04, 847,625.94 and 342,291.95

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Solution

The fourth proportional to 614,230.04, 847,625.94 and 342,291.95 is: 472,356.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,230.04 : 847,625.94 = 342,291.95 : x
  2. Step 2: Convert to fraction form
    614,230.04/847,625.94 = 342,291.95/x
  3. Step 3: Cross multiply
    614,230.04x = 847,625.94 × 342,291.95
  4. Step 4: Simplify right side
    614,230.04x = 290,135,535,873.18
  5. Step 5: Solve for x
    x = 290,135,535,873.18/614,230.04
  6. Step 6: Final answer
    x = 472,356.47

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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.