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Finding the Fourth Proportional to 249,620.88, 374,524.83 and 129,602.94

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Solution

The fourth proportional to 249,620.88, 374,524.83 and 129,602.94 is: 194,452.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,620.88 : 374,524.83 = 129,602.94 : x
  2. Step 2: Convert to fraction form
    249,620.88/374,524.83 = 129,602.94/x
  3. Step 3: Cross multiply
    249,620.88x = 374,524.83 × 129,602.94
  4. Step 4: Simplify right side
    249,620.88x = 48,539,519,071.00
  5. Step 5: Solve for x
    x = 48,539,519,071.00/249,620.88
  6. Step 6: Final answer
    x = 194,452.96

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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.