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Finding the Fourth Proportional to 676,636.30, 933,758.08 and 370,724.29

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Solution

The fourth proportional to 676,636.30, 933,758.08 and 370,724.29 is: 511,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,636.30 : 933,758.08 = 370,724.29 : x
  2. Step 2: Convert to fraction form
    676,636.30/933,758.08 = 370,724.29/x
  3. Step 3: Cross multiply
    676,636.30x = 933,758.08 × 370,724.29
  4. Step 4: Simplify right side
    676,636.30x = 346,166,797,978.56
  5. Step 5: Solve for x
    x = 346,166,797,978.56/676,636.30
  6. Step 6: Final answer
    x = 511,599.51

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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.