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Finding the Fourth Proportional to 659,291.57, 909,714.53 and 433,217.33

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Solution

The fourth proportional to 659,291.57, 909,714.53 and 433,217.33 is: 597,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,291.57 : 909,714.53 = 433,217.33 : x
  2. Step 2: Convert to fraction form
    659,291.57/909,714.53 = 433,217.33/x
  3. Step 3: Cross multiply
    659,291.57x = 909,714.53 × 433,217.33
  4. Step 4: Simplify right side
    659,291.57x = 394,104,099,748.81
  5. Step 5: Solve for x
    x = 394,104,099,748.81/659,291.57
  6. Step 6: Final answer
    x = 597,769.06

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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.