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Finding the Fourth Proportional to 627,996.08, 866,657.40 and 359,775.92

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Solution

The fourth proportional to 627,996.08, 866,657.40 and 359,775.92 is: 496,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,996.08 : 866,657.40 = 359,775.92 : x
  2. Step 2: Convert to fraction form
    627,996.08/866,657.40 = 359,775.92/x
  3. Step 3: Cross multiply
    627,996.08x = 866,657.40 × 359,775.92
  4. Step 4: Simplify right side
    627,996.08x = 311,802,463,409.81
  5. Step 5: Solve for x
    x = 311,802,463,409.81/627,996.08
  6. Step 6: Final answer
    x = 496,503.84

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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.