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Finding the Fourth Proportional to 590,419.60, 885,744.60 and 253,459.60

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Solution

The fourth proportional to 590,419.60, 885,744.60 and 253,459.60 is: 380,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,419.60 : 885,744.60 = 253,459.60 : x
  2. Step 2: Convert to fraction form
    590,419.60/885,744.60 = 253,459.60/x
  3. Step 3: Cross multiply
    590,419.60x = 885,744.60 × 253,459.60
  4. Step 4: Simplify right side
    590,419.60x = 224,500,472,018.16
  5. Step 5: Solve for x
    x = 224,500,472,018.16/590,419.60
  6. Step 6: Final answer
    x = 380,238.85

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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.