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Finding the Fourth Proportional to 676,708.08, 933,896.28 and 370,785

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Solution

The fourth proportional to 676,708.08, 933,896.28 and 370,785 is: 511,704.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,708.08 : 933,896.28 = 370,785 : x
  2. Step 2: Convert to fraction form
    676,708.08/933,896.28 = 370,785/x
  3. Step 3: Cross multiply
    676,708.08x = 933,896.28 × 370,785
  4. Step 4: Simplify right side
    676,708.08x = 346,274,732,179.80
  5. Step 5: Solve for x
    x = 346,274,732,179.80/676,708.08
  6. Step 6: Final answer
    x = 511,704.74

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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.