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Finding the Fourth Proportional to 593,709.60, 890,564.40 and 356,930.40

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Solution

The fourth proportional to 593,709.60, 890,564.40 and 356,930.40 is: 535,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,709.60 : 890,564.40 = 356,930.40 : x
  2. Step 2: Convert to fraction form
    593,709.60/890,564.40 = 356,930.40/x
  3. Step 3: Cross multiply
    593,709.60x = 890,564.40 × 356,930.40
  4. Step 4: Simplify right side
    593,709.60x = 317,869,507,517.76
  5. Step 5: Solve for x
    x = 317,869,507,517.76/593,709.60
  6. Step 6: Final answer
    x = 535,395.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.