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Finding the Fourth Proportional to 370,805.52, 511,715.16 and 201,040.08

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Solution

The fourth proportional to 370,805.52, 511,715.16 and 201,040.08 is: 277,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,805.52 : 511,715.16 = 201,040.08 : x
  2. Step 2: Convert to fraction form
    370,805.52/511,715.16 = 201,040.08/x
  3. Step 3: Cross multiply
    370,805.52x = 511,715.16 × 201,040.08
  4. Step 4: Simplify right side
    370,805.52x = 102,875,256,703.61
  5. Step 5: Solve for x
    x = 102,875,256,703.61/370,805.52
  6. Step 6: Final answer
    x = 277,437.23

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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.