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Finding the Fourth Proportional to 289,001.48, 433,626.77 and 120,554.98

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Solution

The fourth proportional to 289,001.48, 433,626.77 and 120,554.98 is: 180,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,001.48 : 433,626.77 = 120,554.98 : x
  2. Step 2: Convert to fraction form
    289,001.48/433,626.77 = 120,554.98/x
  3. Step 3: Cross multiply
    289,001.48x = 433,626.77 × 120,554.98
  4. Step 4: Simplify right side
    289,001.48x = 52,275,863,813.91
  5. Step 5: Solve for x
    x = 52,275,863,813.91/289,001.48
  6. Step 6: Final answer
    x = 180,884.42

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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.