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Finding the Fourth Proportional to 684,200.95, 944,194.94 and 382,394.95

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Solution

The fourth proportional to 684,200.95, 944,194.94 and 382,394.95 is: 527,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,200.95 : 944,194.94 = 382,394.95 : x
  2. Step 2: Convert to fraction form
    684,200.95/944,194.94 = 382,394.95/x
  3. Step 3: Cross multiply
    684,200.95x = 944,194.94 × 382,394.95
  4. Step 4: Simplify right side
    684,200.95x = 361,055,370,238.60
  5. Step 5: Solve for x
    x = 361,055,370,238.60/684,200.95
  6. Step 6: Final answer
    x = 527,703.70

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1.5x scale

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.