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Finding the Fourth Proportional to 488,038.40, 732,057.60 and 251,842.40

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Solution

The fourth proportional to 488,038.40, 732,057.60 and 251,842.40 is: 377,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,038.40 : 732,057.60 = 251,842.40 : x
  2. Step 2: Convert to fraction form
    488,038.40/732,057.60 = 251,842.40/x
  3. Step 3: Cross multiply
    488,038.40x = 732,057.60 × 251,842.40
  4. Step 4: Simplify right side
    488,038.40x = 184,363,142,922.24
  5. Step 5: Solve for x
    x = 184,363,142,922.24/488,038.40
  6. Step 6: Final answer
    x = 377,763.60

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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.