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Finding the Fourth Proportional to 559,410.34, 771,783.77 and 365,928.50

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Solution

The fourth proportional to 559,410.34, 771,783.77 and 365,928.50 is: 504,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,410.34 : 771,783.77 = 365,928.50 : x
  2. Step 2: Convert to fraction form
    559,410.34/771,783.77 = 365,928.50/x
  3. Step 3: Cross multiply
    559,410.34x = 771,783.77 × 365,928.50
  4. Step 4: Simplify right side
    559,410.34x = 282,417,680,723.53
  5. Step 5: Solve for x
    x = 282,417,680,723.53/559,410.34
  6. Step 6: Final answer
    x = 504,848.87

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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.