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Finding the Fourth Proportional to 676,739.68, 933,900.98 and 370,813.57

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Solution

The fourth proportional to 676,739.68, 933,900.98 and 370,813.57 is: 511,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,739.68 : 933,900.98 = 370,813.57 : x
  2. Step 2: Convert to fraction form
    676,739.68/933,900.98 = 370,813.57/x
  3. Step 3: Cross multiply
    676,739.68x = 933,900.98 × 370,813.57
  4. Step 4: Simplify right side
    676,739.68x = 346,303,152,231.48
  5. Step 5: Solve for x
    x = 346,303,152,231.48/676,739.68
  6. Step 6: Final answer
    x = 511,722.84

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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.