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Finding the Fourth Proportional to 499,647.40, 749,471.10 and 350,056.60

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Solution

The fourth proportional to 499,647.40, 749,471.10 and 350,056.60 is: 525,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,647.40 : 749,471.10 = 350,056.60 : x
  2. Step 2: Convert to fraction form
    499,647.40/749,471.10 = 350,056.60/x
  3. Step 3: Cross multiply
    499,647.40x = 749,471.10 × 350,056.60
  4. Step 4: Simplify right side
    499,647.40x = 262,357,305,064.26
  5. Step 5: Solve for x
    x = 262,357,305,064.26/499,647.40
  6. Step 6: Final answer
    x = 525,084.90

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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.