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Finding the Fourth Proportional to 648,362.84, 972,670.32 and 248,974.26

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Solution

The fourth proportional to 648,362.84, 972,670.32 and 248,974.26 is: 373,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,362.84 : 972,670.32 = 248,974.26 : x
  2. Step 2: Convert to fraction form
    648,362.84/972,670.32 = 248,974.26/x
  3. Step 3: Cross multiply
    648,362.84x = 972,670.32 × 248,974.26
  4. Step 4: Simplify right side
    648,362.84x = 242,169,873,145.96
  5. Step 5: Solve for x
    x = 242,169,873,145.96/648,362.84
  6. Step 6: Final answer
    x = 373,509.80

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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.