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Finding the Fourth Proportional to 648,098.73, 894,232.98 and 376,008.93

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Solution

The fourth proportional to 648,098.73, 894,232.98 and 376,008.93 is: 518,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,098.73 : 894,232.98 = 376,008.93 : x
  2. Step 2: Convert to fraction form
    648,098.73/894,232.98 = 376,008.93/x
  3. Step 3: Cross multiply
    648,098.73x = 894,232.98 × 376,008.93
  4. Step 4: Simplify right side
    648,098.73x = 336,239,585,980.51
  5. Step 5: Solve for x
    x = 336,239,585,980.51/648,098.73
  6. Step 6: Final answer
    x = 518,809.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.