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Finding the Fourth Proportional to 559,054.00, 771,507.18 and 317,313.95

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Solution

The fourth proportional to 559,054.00, 771,507.18 and 317,313.95 is: 437,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,054.00 : 771,507.18 = 317,313.95 : x
  2. Step 2: Convert to fraction form
    559,054.00/771,507.18 = 317,313.95/x
  3. Step 3: Cross multiply
    559,054.00x = 771,507.18 × 317,313.95
  4. Step 4: Simplify right side
    559,054.00x = 244,809,992,667.93
  5. Step 5: Solve for x
    x = 244,809,992,667.93/559,054.00
  6. Step 6: Final answer
    x = 437,900.44

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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.