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Finding the Fourth Proportional to 676,717.44, 933,833.16 and 370,737.60

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Solution

The fourth proportional to 676,717.44, 933,833.16 and 370,737.60 is: 511,597.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,717.44 : 933,833.16 = 370,737.60 : x
  2. Step 2: Convert to fraction form
    676,717.44/933,833.16 = 370,737.60/x
  3. Step 3: Cross multiply
    676,717.44x = 933,833.16 × 370,737.60
  4. Step 4: Simplify right side
    676,717.44x = 346,207,064,538.82
  5. Step 5: Solve for x
    x = 346,207,064,538.82/676,717.44
  6. Step 6: Final answer
    x = 511,597.67

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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.