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Finding the Fourth Proportional to 482,594.40, 666,037.76 and 278,695.04

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Solution

The fourth proportional to 482,594.40, 666,037.76 and 278,695.04 is: 384,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,594.40 : 666,037.76 = 278,695.04 : x
  2. Step 2: Convert to fraction form
    482,594.40/666,037.76 = 278,695.04/x
  3. Step 3: Cross multiply
    482,594.40x = 666,037.76 × 278,695.04
  4. Step 4: Simplify right side
    482,594.40x = 185,621,420,164.71
  5. Step 5: Solve for x
    x = 185,621,420,164.71/482,594.40
  6. Step 6: Final answer
    x = 384,632.35

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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.