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Finding the Fourth Proportional to 659,292.57, 909,715.91 and 433,218.33

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Solution

The fourth proportional to 659,292.57, 909,715.91 and 433,218.33 is: 597,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,292.57 : 909,715.91 = 433,218.33 : x
  2. Step 2: Convert to fraction form
    659,292.57/909,715.91 = 433,218.33/x
  3. Step 3: Cross multiply
    659,292.57x = 909,715.91 × 433,218.33
  4. Step 4: Simplify right side
    659,292.57x = 394,105,607,304.63
  5. Step 5: Solve for x
    x = 394,105,607,304.63/659,292.57
  6. Step 6: Final answer
    x = 597,770.44

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1.5x scale

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.