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Finding the Fourth Proportional to 668,674, 922,770.10 and 382,200.24

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Solution

The fourth proportional to 668,674, 922,770.10 and 382,200.24 is: 527,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,674 : 922,770.10 = 382,200.24 : x
  2. Step 2: Convert to fraction form
    668,674/922,770.10 = 382,200.24/x
  3. Step 3: Cross multiply
    668,674x = 922,770.10 × 382,200.24
  4. Step 4: Simplify right side
    668,674x = 352,682,953,684.82
  5. Step 5: Solve for x
    x = 352,682,953,684.82/668,674
  6. Step 6: Final answer
    x = 527,436.32

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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.