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Finding the Fourth Proportional to 468,554.88, 702,334.78 and 243,690.28

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Solution

The fourth proportional to 468,554.88, 702,334.78 and 243,690.28 is: 365,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,554.88 : 702,334.78 = 243,690.28 : x
  2. Step 2: Convert to fraction form
    468,554.88/702,334.78 = 243,690.28/x
  3. Step 3: Cross multiply
    468,554.88x = 702,334.78 × 243,690.28
  4. Step 4: Simplify right side
    468,554.88x = 171,152,159,191.94
  5. Step 5: Solve for x
    x = 171,152,159,191.94/468,554.88
  6. Step 6: Final answer
    x = 365,276.65

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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.