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Finding the Fourth Proportional to 273,774.40, 377,804.69 and 152,917.40

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Solution

The fourth proportional to 273,774.40, 377,804.69 and 152,917.40 is: 211,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,774.40 : 377,804.69 = 152,917.40 : x
  2. Step 2: Convert to fraction form
    273,774.40/377,804.69 = 152,917.40/x
  3. Step 3: Cross multiply
    273,774.40x = 377,804.69 × 152,917.40
  4. Step 4: Simplify right side
    273,774.40x = 57,772,911,464.82
  5. Step 5: Solve for x
    x = 57,772,911,464.82/273,774.40
  6. Step 6: Final answer
    x = 211,023.79

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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.