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Finding the Fourth Proportional to 531,693.70, 797,665.36 and 326,756.77

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Solution

The fourth proportional to 531,693.70, 797,665.36 and 326,756.77 is: 490,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,693.70 : 797,665.36 = 326,756.77 : x
  2. Step 2: Convert to fraction form
    531,693.70/797,665.36 = 326,756.77/x
  3. Step 3: Cross multiply
    531,693.70x = 797,665.36 × 326,756.77
  4. Step 4: Simplify right side
    531,693.70x = 260,642,554,301.80
  5. Step 5: Solve for x
    x = 260,642,554,301.80/531,693.70
  6. Step 6: Final answer
    x = 490,211.85

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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.