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Finding the Fourth Proportional to 273,776.21, 377,807.19 and 152,919.22

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Solution

The fourth proportional to 273,776.21, 377,807.19 and 152,919.22 is: 211,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,776.21 : 377,807.19 = 152,919.22 : x
  2. Step 2: Convert to fraction form
    273,776.21/377,807.19 = 152,919.22/x
  3. Step 3: Cross multiply
    273,776.21x = 377,807.19 × 152,919.22
  4. Step 4: Simplify right side
    273,776.21x = 57,773,980,805.19
  5. Step 5: Solve for x
    x = 57,773,980,805.19/273,776.21
  6. Step 6: Final answer
    x = 211,026.30

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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.