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Finding the Fourth Proportional to 370,876.93, 511,810.45 and 201,111.05

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Solution

The fourth proportional to 370,876.93, 511,810.45 and 201,111.05 is: 277,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,876.93 : 511,810.45 = 201,111.05 : x
  2. Step 2: Convert to fraction form
    370,876.93/511,810.45 = 201,111.05/x
  3. Step 3: Cross multiply
    370,876.93x = 511,810.45 × 201,111.05
  4. Step 4: Simplify right side
    370,876.93x = 102,930,737,777.22
  5. Step 5: Solve for x
    x = 102,930,737,777.22/370,876.93
  6. Step 6: Final answer
    x = 277,533.41

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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.