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Finding the Fourth Proportional to 668,341, 922,310.58 and 366,535

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Solution

The fourth proportional to 668,341, 922,310.58 and 366,535 is: 505,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,341 : 922,310.58 = 366,535 : x
  2. Step 2: Convert to fraction form
    668,341/922,310.58 = 366,535/x
  3. Step 3: Cross multiply
    668,341x = 922,310.58 × 366,535
  4. Step 4: Simplify right side
    668,341x = 338,059,108,440.30
  5. Step 5: Solve for x
    x = 338,059,108,440.30/668,341
  6. Step 6: Final answer
    x = 505,818.30

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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.