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Finding the Fourth Proportional to 354,027.60, 531,041.40 and 164,487.60

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Solution

The fourth proportional to 354,027.60, 531,041.40 and 164,487.60 is: 246,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,027.60 : 531,041.40 = 164,487.60 : x
  2. Step 2: Convert to fraction form
    354,027.60/531,041.40 = 164,487.60/x
  3. Step 3: Cross multiply
    354,027.60x = 531,041.40 × 164,487.60
  4. Step 4: Simplify right side
    354,027.60x = 87,349,725,386.64
  5. Step 5: Solve for x
    x = 87,349,725,386.64/354,027.60
  6. Step 6: Final answer
    x = 246,731.40

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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.