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Finding the Fourth Proportional to 559,076.10, 771,503.96 and 341,648.34

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Solution

The fourth proportional to 559,076.10, 771,503.96 and 341,648.34 is: 471,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,076.10 : 771,503.96 = 341,648.34 : x
  2. Step 2: Convert to fraction form
    559,076.10/771,503.96 = 341,648.34/x
  3. Step 3: Cross multiply
    559,076.10x = 771,503.96 × 341,648.34
  4. Step 4: Simplify right side
    559,076.10x = 263,583,045,529.19
  5. Step 5: Solve for x
    x = 263,583,045,529.19/559,076.10
  6. Step 6: Final answer
    x = 471,461.84

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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.