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Finding the Fourth Proportional to 575,495.73, 863,492.31 and 308,944.98

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Solution

The fourth proportional to 575,495.73, 863,492.31 and 308,944.98 is: 463,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,495.73 : 863,492.31 = 308,944.98 : x
  2. Step 2: Convert to fraction form
    575,495.73/863,492.31 = 308,944.98/x
  3. Step 3: Cross multiply
    575,495.73x = 863,492.31 × 308,944.98
  4. Step 4: Simplify right side
    575,495.73x = 266,771,614,443.10
  5. Step 5: Solve for x
    x = 266,771,614,443.10/575,495.73
  6. Step 6: Final answer
    x = 463,550.99

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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.