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Finding the Fourth Proportional to 655,607.96, 983,580.96 and 356,011.64

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Solution

The fourth proportional to 655,607.96, 983,580.96 and 356,011.64 is: 534,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,607.96 : 983,580.96 = 356,011.64 : x
  2. Step 2: Convert to fraction form
    655,607.96/983,580.96 = 356,011.64/x
  3. Step 3: Cross multiply
    655,607.96x = 983,580.96 × 356,011.64
  4. Step 4: Simplify right side
    655,607.96x = 350,166,270,642.37
  5. Step 5: Solve for x
    x = 350,166,270,642.37/655,607.96
  6. Step 6: Final answer
    x = 534,109.24

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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.