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Finding the Fourth Proportional to 568,224.48, 784,444.61 and 415,090.74

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Solution

The fourth proportional to 568,224.48, 784,444.61 and 415,090.74 is: 573,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,224.48 : 784,444.61 = 415,090.74 : x
  2. Step 2: Convert to fraction form
    568,224.48/784,444.61 = 415,090.74/x
  3. Step 3: Cross multiply
    568,224.48x = 784,444.61 × 415,090.74
  4. Step 4: Simplify right side
    568,224.48x = 325,615,691,578.46
  5. Step 5: Solve for x
    x = 325,615,691,578.46/568,224.48
  6. Step 6: Final answer
    x = 573,040.59

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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.