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Finding the Fourth Proportional to 474,186.38, 654,615.16 and 366,513.08

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Solution

The fourth proportional to 474,186.38, 654,615.16 and 366,513.08 is: 505,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,186.38 : 654,615.16 = 366,513.08 : x
  2. Step 2: Convert to fraction form
    474,186.38/654,615.16 = 366,513.08/x
  3. Step 3: Cross multiply
    474,186.38x = 654,615.16 × 366,513.08
  4. Step 4: Simplify right side
    474,186.38x = 239,925,018,506.29
  5. Step 5: Solve for x
    x = 239,925,018,506.29/474,186.38
  6. Step 6: Final answer
    x = 505,971.97

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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.