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Finding the Fourth Proportional to 488,036.40, 732,054.60 and 251,840.40

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Solution

The fourth proportional to 488,036.40, 732,054.60 and 251,840.40 is: 377,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,036.40 : 732,054.60 = 251,840.40 : x
  2. Step 2: Convert to fraction form
    488,036.40/732,054.60 = 251,840.40/x
  3. Step 3: Cross multiply
    488,036.40x = 732,054.60 × 251,840.40
  4. Step 4: Simplify right side
    488,036.40x = 184,360,923,285.84
  5. Step 5: Solve for x
    x = 184,360,923,285.84/488,036.40
  6. Step 6: Final answer
    x = 377,760.60

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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.