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Finding the Fourth Proportional to 273,776.46, 377,807.54 and 152,919.47

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Solution

The fourth proportional to 273,776.46, 377,807.54 and 152,919.47 is: 211,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,776.46 : 377,807.54 = 152,919.47 : x
  2. Step 2: Convert to fraction form
    273,776.46/377,807.54 = 152,919.47/x
  3. Step 3: Cross multiply
    273,776.46x = 377,807.54 × 152,919.47
  4. Step 4: Simplify right side
    273,776.46x = 57,774,126,125.17
  5. Step 5: Solve for x
    x = 57,774,126,125.17/273,776.46
  6. Step 6: Final answer
    x = 211,026.64

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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.