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Finding the Fourth Proportional to 655,259.48, 983,125.74 and 228,858.07

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Solution

The fourth proportional to 655,259.48, 983,125.74 and 228,858.07 is: 343,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,259.48 : 983,125.74 = 228,858.07 : x
  2. Step 2: Convert to fraction form
    655,259.48/983,125.74 = 228,858.07/x
  3. Step 3: Cross multiply
    655,259.48x = 983,125.74 × 228,858.07
  4. Step 4: Simplify right side
    655,259.48x = 224,996,254,508.09
  5. Step 5: Solve for x
    x = 224,996,254,508.09/655,259.48
  6. Step 6: Final answer
    x = 343,369.71

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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.