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Finding the Fourth Proportional to 559,606.32, 771,920.28 and 341,715.51

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Solution

The fourth proportional to 559,606.32, 771,920.28 and 341,715.51 is: 471,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,606.32 : 771,920.28 = 341,715.51 : x
  2. Step 2: Convert to fraction form
    559,606.32/771,920.28 = 341,715.51/x
  3. Step 3: Cross multiply
    559,606.32x = 771,920.28 × 341,715.51
  4. Step 4: Simplify right side
    559,606.32x = 263,777,132,159.54
  5. Step 5: Solve for x
    x = 263,777,132,159.54/559,606.32
  6. Step 6: Final answer
    x = 471,361.96

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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.