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Finding the Fourth Proportional to 273,495.50, 377,436.75 and 154,263.50

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Solution

The fourth proportional to 273,495.50, 377,436.75 and 154,263.50 is: 212,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,495.50 : 377,436.75 = 154,263.50 : x
  2. Step 2: Convert to fraction form
    273,495.50/377,436.75 = 154,263.50/x
  3. Step 3: Cross multiply
    273,495.50x = 377,436.75 × 154,263.50
  4. Step 4: Simplify right side
    273,495.50x = 58,224,714,083.63
  5. Step 5: Solve for x
    x = 58,224,714,083.63/273,495.50
  6. Step 6: Final answer
    x = 212,890.94

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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.