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Finding the Fourth Proportional to 518,916.09, 715,736.21 and 337,293.03

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Solution

The fourth proportional to 518,916.09, 715,736.21 and 337,293.03 is: 465,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,916.09 : 715,736.21 = 337,293.03 : x
  2. Step 2: Convert to fraction form
    518,916.09/715,736.21 = 337,293.03/x
  3. Step 3: Cross multiply
    518,916.09x = 715,736.21 × 337,293.03
  4. Step 4: Simplify right side
    518,916.09x = 241,412,833,265.15
  5. Step 5: Solve for x
    x = 241,412,833,265.15/518,916.09
  6. Step 6: Final answer
    x = 465,225.18

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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.