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Finding the Fourth Proportional to 496,004.40, 744,006.60 and 346,705.20

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Solution

The fourth proportional to 496,004.40, 744,006.60 and 346,705.20 is: 520,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,004.40 : 744,006.60 = 346,705.20 : x
  2. Step 2: Convert to fraction form
    496,004.40/744,006.60 = 346,705.20/x
  3. Step 3: Cross multiply
    496,004.40x = 744,006.60 × 346,705.20
  4. Step 4: Simplify right side
    496,004.40x = 257,950,957,054.32
  5. Step 5: Solve for x
    x = 257,950,957,054.32/496,004.40
  6. Step 6: Final answer
    x = 520,057.80

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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.