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Finding the Fourth Proportional to 362,709.20, 508,207.60 and 362,709.20

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Solution

The fourth proportional to 362,709.20, 508,207.60 and 362,709.20 is: 508,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,709.20 : 508,207.60 = 362,709.20 : x
  2. Step 2: Convert to fraction form
    362,709.20/508,207.60 = 362,709.20/x
  3. Step 3: Cross multiply
    362,709.20x = 508,207.60 × 362,709.20
  4. Step 4: Simplify right side
    362,709.20x = 184,331,572,029.92
  5. Step 5: Solve for x
    x = 184,331,572,029.92/362,709.20
  6. Step 6: Final answer
    x = 508,207.60

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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.