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Finding the Fourth Proportional to 376,320.77, 519,303.72 and 223,365.64

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Solution

The fourth proportional to 376,320.77, 519,303.72 and 223,365.64 is: 308,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,320.77 : 519,303.72 = 223,365.64 : x
  2. Step 2: Convert to fraction form
    376,320.77/519,303.72 = 223,365.64/x
  3. Step 3: Cross multiply
    376,320.77x = 519,303.72 × 223,365.64
  4. Step 4: Simplify right side
    376,320.77x = 115,994,608,285.24
  5. Step 5: Solve for x
    x = 115,994,608,285.24/376,320.77
  6. Step 6: Final answer
    x = 308,233.34

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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.