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Finding the Fourth Proportional to 461,363.52, 691,442.40 and 236,533.44

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Solution

The fourth proportional to 461,363.52, 691,442.40 and 236,533.44 is: 354,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,363.52 : 691,442.40 = 236,533.44 : x
  2. Step 2: Convert to fraction form
    461,363.52/691,442.40 = 236,533.44/x
  3. Step 3: Cross multiply
    461,363.52x = 691,442.40 × 236,533.44
  4. Step 4: Simplify right side
    461,363.52x = 163,549,249,433.86
  5. Step 5: Solve for x
    x = 163,549,249,433.86/461,363.52
  6. Step 6: Final answer
    x = 354,491.07

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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.