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Finding the Fourth Proportional to 531,317.49, 733,196.66 and 289,594.86

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Solution

The fourth proportional to 531,317.49, 733,196.66 and 289,594.86 is: 399,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,317.49 : 733,196.66 = 289,594.86 : x
  2. Step 2: Convert to fraction form
    531,317.49/733,196.66 = 289,594.86/x
  3. Step 3: Cross multiply
    531,317.49x = 733,196.66 × 289,594.86
  4. Step 4: Simplify right side
    531,317.49x = 212,329,982,657.19
  5. Step 5: Solve for x
    x = 212,329,982,657.19/531,317.49
  6. Step 6: Final answer
    x = 399,629.20

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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.