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Finding the Fourth Proportional to 590,930.10, 886,395.15 and 354,150.90

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Solution

The fourth proportional to 590,930.10, 886,395.15 and 354,150.90 is: 531,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,930.10 : 886,395.15 = 354,150.90 : x
  2. Step 2: Convert to fraction form
    590,930.10/886,395.15 = 354,150.90/x
  3. Step 3: Cross multiply
    590,930.10x = 886,395.15 × 354,150.90
  4. Step 4: Simplify right side
    590,930.10x = 313,917,640,128.14
  5. Step 5: Solve for x
    x = 313,917,640,128.14/590,930.10
  6. Step 6: Final answer
    x = 531,226.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.