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Finding the Fourth Proportional to 508,355.57, 761,672.22 and 337,457.93

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Solution

The fourth proportional to 508,355.57, 761,672.22 and 337,457.93 is: 505,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,355.57 : 761,672.22 = 337,457.93 : x
  2. Step 2: Convert to fraction form
    508,355.57/761,672.22 = 337,457.93/x
  3. Step 3: Cross multiply
    508,355.57x = 761,672.22 × 337,457.93
  4. Step 4: Simplify right side
    508,355.57x = 257,032,326,891.34
  5. Step 5: Solve for x
    x = 257,032,326,891.34/508,355.57
  6. Step 6: Final answer
    x = 505,615.25

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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.