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Finding the Fourth Proportional to 356,259.87, 534,439.01 and 119,670.21

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Solution

The fourth proportional to 356,259.87, 534,439.01 and 119,670.21 is: 179,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,259.87 : 534,439.01 = 119,670.21 : x
  2. Step 2: Convert to fraction form
    356,259.87/534,439.01 = 119,670.21/x
  3. Step 3: Cross multiply
    356,259.87x = 534,439.01 × 119,670.21
  4. Step 4: Simplify right side
    356,259.87x = 63,956,428,858.07
  5. Step 5: Solve for x
    x = 63,956,428,858.07/356,259.87
  6. Step 6: Final answer
    x = 179,521.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.