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Finding the Fourth Proportional to 603,340.68, 832,613.55 and 331,399.53

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Solution

The fourth proportional to 603,340.68, 832,613.55 and 331,399.53 is: 457,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,340.68 : 832,613.55 = 331,399.53 : x
  2. Step 2: Convert to fraction form
    603,340.68/832,613.55 = 331,399.53/x
  3. Step 3: Cross multiply
    603,340.68x = 832,613.55 × 331,399.53
  4. Step 4: Simplify right side
    603,340.68x = 275,927,739,141.63
  5. Step 5: Solve for x
    x = 275,927,739,141.63/603,340.68
  6. Step 6: Final answer
    x = 457,333.23

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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.