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Finding the Fourth Proportional to 543,330.90, 814,996.35 and 533,999.70

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Solution

The fourth proportional to 543,330.90, 814,996.35 and 533,999.70 is: 800,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,330.90 : 814,996.35 = 533,999.70 : x
  2. Step 2: Convert to fraction form
    543,330.90/814,996.35 = 533,999.70/x
  3. Step 3: Cross multiply
    543,330.90x = 814,996.35 × 533,999.70
  4. Step 4: Simplify right side
    543,330.90x = 435,207,806,401.10
  5. Step 5: Solve for x
    x = 435,207,806,401.10/543,330.90
  6. Step 6: Final answer
    x = 800,999.55

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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.