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Finding the Fourth Proportional to 247,301, 341,026.98 and 219,992.12

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Solution

The fourth proportional to 247,301, 341,026.98 and 219,992.12 is: 303,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,301 : 341,026.98 = 219,992.12 : x
  2. Step 2: Convert to fraction form
    247,301/341,026.98 = 219,992.12/x
  3. Step 3: Cross multiply
    247,301x = 341,026.98 × 219,992.12
  4. Step 4: Simplify right side
    247,301x = 75,023,248,307.40
  5. Step 5: Solve for x
    x = 75,023,248,307.40/247,301
  6. Step 6: Final answer
    x = 303,368.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.