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Finding the Fourth Proportional to 522,152.96, 720,606.72 and 295,800.32

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Solution

The fourth proportional to 522,152.96, 720,606.72 and 295,800.32 is: 408,224.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,152.96 : 720,606.72 = 295,800.32 : x
  2. Step 2: Convert to fraction form
    522,152.96/720,606.72 = 295,800.32/x
  3. Step 3: Cross multiply
    522,152.96x = 720,606.72 × 295,800.32
  4. Step 4: Simplify right side
    522,152.96x = 213,155,698,370.15
  5. Step 5: Solve for x
    x = 213,155,698,370.15/522,152.96
  6. Step 6: Final answer
    x = 408,224.63

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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.