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Finding the Fourth Proportional to 560,303.08, 773,216.64 and 305,652.45

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Solution

The fourth proportional to 560,303.08, 773,216.64 and 305,652.45 is: 421,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,303.08 : 773,216.64 = 305,652.45 : x
  2. Step 2: Convert to fraction form
    560,303.08/773,216.64 = 305,652.45/x
  3. Step 3: Cross multiply
    560,303.08x = 773,216.64 × 305,652.45
  4. Step 4: Simplify right side
    560,303.08x = 236,335,560,396.77
  5. Step 5: Solve for x
    x = 236,335,560,396.77/560,303.08
  6. Step 6: Final answer
    x = 421,799.50

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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.