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Finding the Fourth Proportional to 397,207.60, 595,811.40 and 368,047.60

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Solution

The fourth proportional to 397,207.60, 595,811.40 and 368,047.60 is: 552,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,207.60 : 595,811.40 = 368,047.60 : x
  2. Step 2: Convert to fraction form
    397,207.60/595,811.40 = 368,047.60/x
  3. Step 3: Cross multiply
    397,207.60x = 595,811.40 × 368,047.60
  4. Step 4: Simplify right side
    397,207.60x = 219,286,955,822.64
  5. Step 5: Solve for x
    x = 219,286,955,822.64/397,207.60
  6. Step 6: Final answer
    x = 552,071.40

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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.