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Finding the Fourth Proportional to 362,919.80, 508,612.60 and 362,919.80

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Solution

The fourth proportional to 362,919.80, 508,612.60 and 362,919.80 is: 508,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,919.80 : 508,612.60 = 362,919.80 : x
  2. Step 2: Convert to fraction form
    362,919.80/508,612.60 = 362,919.80/x
  3. Step 3: Cross multiply
    362,919.80x = 508,612.60 × 362,919.80
  4. Step 4: Simplify right side
    362,919.80x = 184,585,583,069.48
  5. Step 5: Solve for x
    x = 184,585,583,069.48/362,919.80
  6. Step 6: Final answer
    x = 508,612.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.