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Finding the Fourth Proportional to 493,772.04, 681,460.89 and 278,925.95

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Solution

The fourth proportional to 493,772.04, 681,460.89 and 278,925.95 is: 384,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,772.04 : 681,460.89 = 278,925.95 : x
  2. Step 2: Convert to fraction form
    493,772.04/681,460.89 = 278,925.95/x
  3. Step 3: Cross multiply
    493,772.04x = 681,460.89 × 278,925.95
  4. Step 4: Simplify right side
    493,772.04x = 190,077,122,723.79
  5. Step 5: Solve for x
    x = 190,077,122,723.79/493,772.04
  6. Step 6: Final answer
    x = 384,949.14

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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.