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Finding the Fourth Proportional to 273,764.09, 377,790.45 and 152,907.09

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Solution

The fourth proportional to 273,764.09, 377,790.45 and 152,907.09 is: 211,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,764.09 : 377,790.45 = 152,907.09 : x
  2. Step 2: Convert to fraction form
    273,764.09/377,790.45 = 152,907.09/x
  3. Step 3: Cross multiply
    273,764.09x = 377,790.45 × 152,907.09
  4. Step 4: Simplify right side
    273,764.09x = 57,766,838,339.29
  5. Step 5: Solve for x
    x = 57,766,838,339.29/273,764.09
  6. Step 6: Final answer
    x = 211,009.56

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1.5x scale

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.