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Finding the Fourth Proportional to 603,518.70, 832,509.44 and 376,770.54

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Solution

The fourth proportional to 603,518.70, 832,509.44 and 376,770.54 is: 519,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,518.70 : 832,509.44 = 376,770.54 : x
  2. Step 2: Convert to fraction form
    603,518.70/832,509.44 = 376,770.54/x
  3. Step 3: Cross multiply
    603,518.70x = 832,509.44 × 376,770.54
  4. Step 4: Simplify right side
    603,518.70x = 313,665,031,263.90
  5. Step 5: Solve for x
    x = 313,665,031,263.90/603,518.70
  6. Step 6: Final answer
    x = 519,727.11

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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.