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Finding the Fourth Proportional to 531,511.44, 797,027.04 and 152,345.40

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Solution

The fourth proportional to 531,511.44, 797,027.04 and 152,345.40 is: 228,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,511.44 : 797,027.04 = 152,345.40 : x
  2. Step 2: Convert to fraction form
    531,511.44/797,027.04 = 152,345.40/x
  3. Step 3: Cross multiply
    531,511.44x = 797,027.04 × 152,345.40
  4. Step 4: Simplify right side
    531,511.44x = 121,423,403,219.62
  5. Step 5: Solve for x
    x = 121,423,403,219.62/531,511.44
  6. Step 6: Final answer
    x = 228,449.28

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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.