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Finding the Fourth Proportional to 273,673.05, 377,665.23 and 152,816.40

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Solution

The fourth proportional to 273,673.05, 377,665.23 and 152,816.40 is: 210,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,673.05 : 377,665.23 = 152,816.40 : x
  2. Step 2: Convert to fraction form
    273,673.05/377,665.23 = 152,816.40/x
  3. Step 3: Cross multiply
    273,673.05x = 377,665.23 × 152,816.40
  4. Step 4: Simplify right side
    273,673.05x = 57,713,440,853.77
  5. Step 5: Solve for x
    x = 57,713,440,853.77/273,673.05
  6. Step 6: Final answer
    x = 210,884.63

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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.