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Finding the Fourth Proportional to 559,362.98, 838,720.46 and 382,084.22

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Solution

The fourth proportional to 559,362.98, 838,720.46 and 382,084.22 is: 572,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,362.98 : 838,720.46 = 382,084.22 : x
  2. Step 2: Convert to fraction form
    559,362.98/838,720.46 = 382,084.22/x
  3. Step 3: Cross multiply
    559,362.98x = 838,720.46 × 382,084.22
  4. Step 4: Simplify right side
    559,362.98x = 320,461,852,757.14
  5. Step 5: Solve for x
    x = 320,461,852,757.14/559,362.98
  6. Step 6: Final answer
    x = 572,905.01

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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.