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Finding the Fourth Proportional to 488,783.10, 732,846.60 and 236,184.60

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Solution

The fourth proportional to 488,783.10, 732,846.60 and 236,184.60 is: 354,118.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,783.10 : 732,846.60 = 236,184.60 : x
  2. Step 2: Convert to fraction form
    488,783.10/732,846.60 = 236,184.60/x
  3. Step 3: Cross multiply
    488,783.10x = 732,846.60 × 236,184.60
  4. Step 4: Simplify right side
    488,783.10x = 173,087,081,082.36
  5. Step 5: Solve for x
    x = 173,087,081,082.36/488,783.10
  6. Step 6: Final answer
    x = 354,118.38

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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.