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Finding the Fourth Proportional to 273,485.50, 377,428.92 and 152,650.30

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Solution

The fourth proportional to 273,485.50, 377,428.92 and 152,650.30 is: 210,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,485.50 : 377,428.92 = 152,650.30 : x
  2. Step 2: Convert to fraction form
    273,485.50/377,428.92 = 152,650.30/x
  3. Step 3: Cross multiply
    273,485.50x = 377,428.92 × 152,650.30
  4. Step 4: Simplify right side
    273,485.50x = 57,614,637,866.68
  5. Step 5: Solve for x
    x = 57,614,637,866.68/273,485.50
  6. Step 6: Final answer
    x = 210,667.98

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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.