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Finding the Fourth Proportional to 273,497.64, 377,427.09 and 152,638.92

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Solution

The fourth proportional to 273,497.64, 377,427.09 and 152,638.92 is: 210,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,497.64 : 377,427.09 = 152,638.92 : x
  2. Step 2: Convert to fraction form
    273,497.64/377,427.09 = 152,638.92/x
  3. Step 3: Cross multiply
    273,497.64x = 377,427.09 × 152,638.92
  4. Step 4: Simplify right side
    273,497.64x = 57,610,063,396.34
  5. Step 5: Solve for x
    x = 57,610,063,396.34/273,497.64
  6. Step 6: Final answer
    x = 210,641.90

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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.