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Finding the Fourth Proportional to 360,199.92, 540,130.26 and 210,483.48

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Solution

The fourth proportional to 360,199.92, 540,130.26 and 210,483.48 is: 315,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,199.92 : 540,130.26 = 210,483.48 : x
  2. Step 2: Convert to fraction form
    360,199.92/540,130.26 = 210,483.48/x
  3. Step 3: Cross multiply
    360,199.92x = 540,130.26 × 210,483.48
  4. Step 4: Simplify right side
    360,199.92x = 113,688,496,778.11
  5. Step 5: Solve for x
    x = 113,688,496,778.11/360,199.92
  6. Step 6: Final answer
    x = 315,626.10

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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.