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Finding the Fourth Proportional to 559,094.88, 771,563.48 and 317,354.68

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Solution

The fourth proportional to 559,094.88, 771,563.48 and 317,354.68 is: 437,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,094.88 : 771,563.48 = 317,354.68 : x
  2. Step 2: Convert to fraction form
    559,094.88/771,563.48 = 317,354.68/x
  3. Step 3: Cross multiply
    559,094.88x = 771,563.48 × 317,354.68
  4. Step 4: Simplify right side
    559,094.88x = 244,859,281,295.09
  5. Step 5: Solve for x
    x = 244,859,281,295.09/559,094.88
  6. Step 6: Final answer
    x = 437,956.58

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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.