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Finding the Fourth Proportional to 559,523.91, 839,533.93 and 293,221.11

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Solution

The fourth proportional to 559,523.91, 839,533.93 and 293,221.11 is: 439,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,523.91 : 839,533.93 = 293,221.11 : x
  2. Step 2: Convert to fraction form
    559,523.91/839,533.93 = 293,221.11/x
  3. Step 3: Cross multiply
    559,523.91x = 839,533.93 × 293,221.11
  4. Step 4: Simplify right side
    559,523.91x = 246,169,066,639.59
  5. Step 5: Solve for x
    x = 246,169,066,639.59/559,523.91
  6. Step 6: Final answer
    x = 439,961.66

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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.