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Finding the Fourth Proportional to 556,977.40, 835,248.15 and 197,009.15

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Solution

The fourth proportional to 556,977.40, 835,248.15 and 197,009.15 is: 295,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,977.40 : 835,248.15 = 197,009.15 : x
  2. Step 2: Convert to fraction form
    556,977.40/835,248.15 = 197,009.15/x
  3. Step 3: Cross multiply
    556,977.40x = 835,248.15 × 197,009.15
  4. Step 4: Simplify right side
    556,977.40x = 164,551,523,894.33
  5. Step 5: Solve for x
    x = 164,551,523,894.33/556,977.40
  6. Step 6: Final answer
    x = 295,436.63

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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.