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Finding the Fourth Proportional to 251,335.80, 377,003.70 and 223,779.60

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Solution

The fourth proportional to 251,335.80, 377,003.70 and 223,779.60 is: 335,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,335.80 : 377,003.70 = 223,779.60 : x
  2. Step 2: Convert to fraction form
    251,335.80/377,003.70 = 223,779.60/x
  3. Step 3: Cross multiply
    251,335.80x = 377,003.70 × 223,779.60
  4. Step 4: Simplify right side
    251,335.80x = 84,365,737,184.52
  5. Step 5: Solve for x
    x = 84,365,737,184.52/251,335.80
  6. Step 6: Final answer
    x = 335,669.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.