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Finding the Fourth Proportional to 375,632.49, 563,199.60 and 122,824.40

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Solution

The fourth proportional to 375,632.49, 563,199.60 and 122,824.40 is: 184,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,632.49 : 563,199.60 = 122,824.40 : x
  2. Step 2: Convert to fraction form
    375,632.49/563,199.60 = 122,824.40/x
  3. Step 3: Cross multiply
    375,632.49x = 563,199.60 × 122,824.40
  4. Step 4: Simplify right side
    375,632.49x = 69,174,650,134.24
  5. Step 5: Solve for x
    x = 69,174,650,134.24/375,632.49
  6. Step 6: Final answer
    x = 184,155.13

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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.