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Finding the Fourth Proportional to 530,988.85, 796,005 and 193,792.90

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Solution

The fourth proportional to 530,988.85, 796,005 and 193,792.90 is: 290,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,988.85 : 796,005 = 193,792.90 : x
  2. Step 2: Convert to fraction form
    530,988.85/796,005 = 193,792.90/x
  3. Step 3: Cross multiply
    530,988.85x = 796,005 × 193,792.90
  4. Step 4: Simplify right side
    530,988.85x = 154,260,117,364.50
  5. Step 5: Solve for x
    x = 154,260,117,364.50/530,988.85
  6. Step 6: Final answer
    x = 290,514.80

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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.