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Finding the Fourth Proportional to 603,332.28, 832,561.74 and 331,347.24

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Solution

The fourth proportional to 603,332.28, 832,561.74 and 331,347.24 is: 457,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,332.28 : 832,561.74 = 331,347.24 : x
  2. Step 2: Convert to fraction form
    603,332.28/832,561.74 = 331,347.24/x
  3. Step 3: Cross multiply
    603,332.28x = 832,561.74 × 331,347.24
  4. Step 4: Simplify right side
    603,332.28x = 275,867,034,678.60
  5. Step 5: Solve for x
    x = 275,867,034,678.60/603,332.28
  6. Step 6: Final answer
    x = 457,238.98

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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.