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Finding the Fourth Proportional to 603,681.93, 832,659.35 and 512,408.30

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Solution

The fourth proportional to 603,681.93, 832,659.35 and 512,408.30 is: 706,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,681.93 : 832,659.35 = 512,408.30 : x
  2. Step 2: Convert to fraction form
    603,681.93/832,659.35 = 512,408.30/x
  3. Step 3: Cross multiply
    603,681.93x = 832,659.35 × 512,408.30
  4. Step 4: Simplify right side
    603,681.93x = 426,661,555,287.27
  5. Step 5: Solve for x
    x = 426,661,555,287.27/603,681.93
  6. Step 6: Final answer
    x = 706,765.49

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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.