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Finding the Fourth Proportional to 668,722.30, 922,829.07 and 366,916.30

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Solution

The fourth proportional to 668,722.30, 922,829.07 and 366,916.30 is: 506,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,722.30 : 922,829.07 = 366,916.30 : x
  2. Step 2: Convert to fraction form
    668,722.30/922,829.07 = 366,916.30/x
  3. Step 3: Cross multiply
    668,722.30x = 922,829.07 × 366,916.30
  4. Step 4: Simplify right side
    668,722.30x = 338,601,027,896.84
  5. Step 5: Solve for x
    x = 338,601,027,896.84/668,722.30
  6. Step 6: Final answer
    x = 506,340.27

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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.