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Finding the Fourth Proportional to 295,951.55, 408,412.60 and 159,985.58

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Solution

The fourth proportional to 295,951.55, 408,412.60 and 159,985.58 is: 220,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,951.55 : 408,412.60 = 159,985.58 : x
  2. Step 2: Convert to fraction form
    295,951.55/408,412.60 = 159,985.58/x
  3. Step 3: Cross multiply
    295,951.55x = 408,412.60 × 159,985.58
  4. Step 4: Simplify right side
    295,951.55x = 65,340,124,248.28
  5. Step 5: Solve for x
    x = 65,340,124,248.28/295,951.55
  6. Step 6: Final answer
    x = 220,779.80

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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.