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Finding the Fourth Proportional to 472,875.60, 709,188.60 and 236,043.60

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Solution

The fourth proportional to 472,875.60, 709,188.60 and 236,043.60 is: 354,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,875.60 : 709,188.60 = 236,043.60 : x
  2. Step 2: Convert to fraction form
    472,875.60/709,188.60 = 236,043.60/x
  3. Step 3: Cross multiply
    472,875.60x = 709,188.60 × 236,043.60
  4. Step 4: Simplify right side
    472,875.60x = 167,399,430,222.96
  5. Step 5: Solve for x
    x = 167,399,430,222.96/472,875.60
  6. Step 6: Final answer
    x = 354,003.10

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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.