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Finding the Fourth Proportional to 908,550, 1,362,890.64 and 368,546.94

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Solution

The fourth proportional to 908,550, 1,362,890.64 and 368,546.94 is: 552,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,550 : 1,362,890.64 = 368,546.94 : x
  2. Step 2: Convert to fraction form
    908,550/1,362,890.64 = 368,546.94/x
  3. Step 3: Cross multiply
    908,550x = 1,362,890.64 × 368,546.94
  4. Step 4: Simplify right side
    908,550x = 502,289,174,926.64
  5. Step 5: Solve for x
    x = 502,289,174,926.64/908,550
  6. Step 6: Final answer
    x = 552,847.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.