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Finding the Fourth Proportional to 668,703.04, 922,801.92 and 366,896.80

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Solution

The fourth proportional to 668,703.04, 922,801.92 and 366,896.80 is: 506,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,703.04 : 922,801.92 = 366,896.80 : x
  2. Step 2: Convert to fraction form
    668,703.04/922,801.92 = 366,896.80/x
  3. Step 3: Cross multiply
    668,703.04x = 922,801.92 × 366,896.80
  4. Step 4: Simplify right side
    668,703.04x = 338,573,071,481.86
  5. Step 5: Solve for x
    x = 338,573,071,481.86/668,703.04
  6. Step 6: Final answer
    x = 506,313.04

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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.