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Finding the Fourth Proportional to 762,906.48, 1,052,567.64 and 440,574

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Solution

The fourth proportional to 762,906.48, 1,052,567.64 and 440,574 is: 607,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,906.48 : 1,052,567.64 = 440,574 : x
  2. Step 2: Convert to fraction form
    762,906.48/1,052,567.64 = 440,574/x
  3. Step 3: Cross multiply
    762,906.48x = 1,052,567.64 × 440,574
  4. Step 4: Simplify right side
    762,906.48x = 463,733,935,425.36
  5. Step 5: Solve for x
    x = 463,733,935,425.36/762,906.48
  6. Step 6: Final answer
    x = 607,851.61

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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.