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Finding the Fourth Proportional to 668,892.79, 922,809.30 and 382,259.11

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Solution

The fourth proportional to 668,892.79, 922,809.30 and 382,259.11 is: 527,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,892.79 : 922,809.30 = 382,259.11 : x
  2. Step 2: Convert to fraction form
    668,892.79/922,809.30 = 382,259.11/x
  3. Step 3: Cross multiply
    668,892.79x = 922,809.30 × 382,259.11
  4. Step 4: Simplify right side
    668,892.79x = 352,752,261,717.72
  5. Step 5: Solve for x
    x = 352,752,261,717.72/668,892.79
  6. Step 6: Final answer
    x = 527,367.42

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1.5x scale

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.