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Finding the Fourth Proportional to 603,182.70, 832,781.86 and 373,983.48

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Solution

The fourth proportional to 603,182.70, 832,781.86 and 373,983.48 is: 516,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,182.70 : 832,781.86 = 373,983.48 : x
  2. Step 2: Convert to fraction form
    603,182.70/832,781.86 = 373,983.48/x
  3. Step 3: Cross multiply
    603,182.70x = 832,781.86 × 373,983.48
  4. Step 4: Simplify right side
    603,182.70x = 311,446,657,148.71
  5. Step 5: Solve for x
    x = 311,446,657,148.71/603,182.70
  6. Step 6: Final answer
    x = 516,338.84

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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.