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Finding the Fourth Proportional to 531,315.99, 733,194.59 and 289,593.36

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Solution

The fourth proportional to 531,315.99, 733,194.59 and 289,593.36 is: 399,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,315.99 : 733,194.59 = 289,593.36 : x
  2. Step 2: Convert to fraction form
    531,315.99/733,194.59 = 289,593.36/x
  3. Step 3: Cross multiply
    531,315.99x = 733,194.59 × 289,593.36
  4. Step 4: Simplify right side
    531,315.99x = 212,328,283,403.96
  5. Step 5: Solve for x
    x = 212,328,283,403.96/531,315.99
  6. Step 6: Final answer
    x = 399,627.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.