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Finding the Fourth Proportional to 559,094.84, 771,583.34 and 421,026.59

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Solution

The fourth proportional to 559,094.84, 771,583.34 and 421,026.59 is: 581,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,094.84 : 771,583.34 = 421,026.59 : x
  2. Step 2: Convert to fraction form
    559,094.84/771,583.34 = 421,026.59/x
  3. Step 3: Cross multiply
    559,094.84x = 771,583.34 × 421,026.59
  4. Step 4: Simplify right side
    559,094.84x = 324,857,096,577.96
  5. Step 5: Solve for x
    x = 324,857,096,577.96/559,094.84
  6. Step 6: Final answer
    x = 581,041.13

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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.