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Finding the Fourth Proportional to 668,757.30, 922,877.37 and 366,951.30

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Solution

The fourth proportional to 668,757.30, 922,877.37 and 366,951.30 is: 506,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,757.30 : 922,877.37 = 366,951.30 : x
  2. Step 2: Convert to fraction form
    668,757.30/922,877.37 = 366,951.30/x
  3. Step 3: Cross multiply
    668,757.30x = 922,877.37 × 366,951.30
  4. Step 4: Simplify right side
    668,757.30x = 338,651,050,662.08
  5. Step 5: Solve for x
    x = 338,651,050,662.08/668,757.30
  6. Step 6: Final answer
    x = 506,388.57

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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.