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Finding the Fourth Proportional to 209,361.31, 313,994.80 and 59,598.30

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Solution

The fourth proportional to 209,361.31, 313,994.80 and 59,598.30 is: 89,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,361.31 : 313,994.80 = 59,598.30 : x
  2. Step 2: Convert to fraction form
    209,361.31/313,994.80 = 59,598.30/x
  3. Step 3: Cross multiply
    209,361.31x = 313,994.80 × 59,598.30
  4. Step 4: Simplify right side
    209,361.31x = 18,713,556,288.84
  5. Step 5: Solve for x
    x = 18,713,556,288.84/209,361.31
  6. Step 6: Final answer
    x = 89,384.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.