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Finding the Fourth Proportional to 709,090, 1,063,644.26 and 235,775.36

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Solution

The fourth proportional to 709,090, 1,063,644.26 and 235,775.36 is: 353,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,090 : 1,063,644.26 = 235,775.36 : x
  2. Step 2: Convert to fraction form
    709,090/1,063,644.26 = 235,775.36/x
  3. Step 3: Cross multiply
    709,090x = 1,063,644.26 × 235,775.36
  4. Step 4: Simplify right side
    709,090x = 250,781,108,313.43
  5. Step 5: Solve for x
    x = 250,781,108,313.43/709,090
  6. Step 6: Final answer
    x = 353,666.12

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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.