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Finding the Fourth Proportional to 668,240.92, 922,214.46 and 366,434.92

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Solution

The fourth proportional to 668,240.92, 922,214.46 and 366,434.92 is: 505,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,240.92 : 922,214.46 = 366,434.92 : x
  2. Step 2: Convert to fraction form
    668,240.92/922,214.46 = 366,434.92/x
  3. Step 3: Cross multiply
    668,240.92x = 922,214.46 × 366,434.92
  4. Step 4: Simplify right side
    668,240.92x = 337,931,581,872.94
  5. Step 5: Solve for x
    x = 337,931,581,872.94/668,240.92
  6. Step 6: Final answer
    x = 505,703.22

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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.