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Finding the Fourth Proportional to 286,694.48, 395,590.56 and 159,352.76

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Solution

The fourth proportional to 286,694.48, 395,590.56 and 159,352.76 is: 219,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,694.48 : 395,590.56 = 159,352.76 : x
  2. Step 2: Convert to fraction form
    286,694.48/395,590.56 = 159,352.76/x
  3. Step 3: Cross multiply
    286,694.48x = 395,590.56 × 159,352.76
  4. Step 4: Simplify right side
    286,694.48x = 63,038,447,565.95
  5. Step 5: Solve for x
    x = 63,038,447,565.95/286,694.48
  6. Step 6: Final answer
    x = 219,880.23

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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.