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Finding the Fourth Proportional to 530,986.34, 796,001.26 and 193,790.40

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Solution

The fourth proportional to 530,986.34, 796,001.26 and 193,790.40 is: 290,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,986.34 : 796,001.26 = 193,790.40 : x
  2. Step 2: Convert to fraction form
    530,986.34/796,001.26 = 193,790.40/x
  3. Step 3: Cross multiply
    530,986.34x = 796,001.26 × 193,790.40
  4. Step 4: Simplify right side
    530,986.34x = 154,257,402,575.90
  5. Step 5: Solve for x
    x = 154,257,402,575.90/530,986.34
  6. Step 6: Final answer
    x = 290,511.06

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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.