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Finding the Fourth Proportional to 228,867.60, 343,301.40 and 194,307.60

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Solution

The fourth proportional to 228,867.60, 343,301.40 and 194,307.60 is: 291,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,867.60 : 343,301.40 = 194,307.60 : x
  2. Step 2: Convert to fraction form
    228,867.60/343,301.40 = 194,307.60/x
  3. Step 3: Cross multiply
    228,867.60x = 343,301.40 × 194,307.60
  4. Step 4: Simplify right side
    228,867.60x = 66,706,071,110.64
  5. Step 5: Solve for x
    x = 66,706,071,110.64/228,867.60
  6. Step 6: Final answer
    x = 291,461.40

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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.