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Finding the Fourth Proportional to 276,041.58, 380,943.39 and 168,670.82

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Solution

The fourth proportional to 276,041.58, 380,943.39 and 168,670.82 is: 232,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,041.58 : 380,943.39 = 168,670.82 : x
  2. Step 2: Convert to fraction form
    276,041.58/380,943.39 = 168,670.82/x
  3. Step 3: Cross multiply
    276,041.58x = 380,943.39 × 168,670.82
  4. Step 4: Simplify right side
    276,041.58x = 64,254,032,060.16
  5. Step 5: Solve for x
    x = 64,254,032,060.16/276,041.58
  6. Step 6: Final answer
    x = 232,769.40

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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.