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Finding the Fourth Proportional to 518,094.40, 776,911.20 and 237,697.60

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Solution

The fourth proportional to 518,094.40, 776,911.20 and 237,697.60 is: 356,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,094.40 : 776,911.20 = 237,697.60 : x
  2. Step 2: Convert to fraction form
    518,094.40/776,911.20 = 237,697.60/x
  3. Step 3: Cross multiply
    518,094.40x = 776,911.20 × 237,697.60
  4. Step 4: Simplify right side
    518,094.40x = 184,669,927,653.12
  5. Step 5: Solve for x
    x = 184,669,927,653.12/518,094.40
  6. Step 6: Final answer
    x = 356,440.69

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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.