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Finding the Fourth Proportional to 607,400.90, 911,101.35 and 186,622.10

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Solution

The fourth proportional to 607,400.90, 911,101.35 and 186,622.10 is: 279,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,400.90 : 911,101.35 = 186,622.10 : x
  2. Step 2: Convert to fraction form
    607,400.90/911,101.35 = 186,622.10/x
  3. Step 3: Cross multiply
    607,400.90x = 911,101.35 × 186,622.10
  4. Step 4: Simplify right side
    607,400.90x = 170,031,647,249.84
  5. Step 5: Solve for x
    x = 170,031,647,249.84/607,400.90
  6. Step 6: Final answer
    x = 279,933.15

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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.