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Finding the Fourth Proportional to 668,186, 922,096.74 and 366,386.48

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Solution

The fourth proportional to 668,186, 922,096.74 and 366,386.48 is: 505,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,186 : 922,096.74 = 366,386.48 : x
  2. Step 2: Convert to fraction form
    668,186/922,096.74 = 366,386.48/x
  3. Step 3: Cross multiply
    668,186x = 922,096.74 × 366,386.48
  4. Step 4: Simplify right side
    668,186x = 337,843,778,788.08
  5. Step 5: Solve for x
    x = 337,843,778,788.08/668,186
  6. Step 6: Final answer
    x = 505,613.38

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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.