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Finding the Fourth Proportional to 668,733.80, 922,844.94 and 366,927.80

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Solution

The fourth proportional to 668,733.80, 922,844.94 and 366,927.80 is: 506,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,733.80 : 922,844.94 = 366,927.80 : x
  2. Step 2: Convert to fraction form
    668,733.80/922,844.94 = 366,927.80/x
  3. Step 3: Cross multiply
    668,733.80x = 922,844.94 × 366,927.80
  4. Step 4: Simplify right side
    668,733.80x = 338,617,463,575.33
  5. Step 5: Solve for x
    x = 338,617,463,575.33/668,733.80
  6. Step 6: Final answer
    x = 506,356.14

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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.