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Finding the Fourth Proportional to 602,884.18, 832,022.22 and 398,580.13

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Solution

The fourth proportional to 602,884.18, 832,022.22 and 398,580.13 is: 550,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,884.18 : 832,022.22 = 398,580.13 : x
  2. Step 2: Convert to fraction form
    602,884.18/832,022.22 = 398,580.13/x
  3. Step 3: Cross multiply
    602,884.18x = 832,022.22 × 398,580.13
  4. Step 4: Simplify right side
    602,884.18x = 331,627,524,610.49
  5. Step 5: Solve for x
    x = 331,627,524,610.49/602,884.18
  6. Step 6: Final answer
    x = 550,068.38

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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.