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Finding the Fourth Proportional to 607,329.40, 911,015.70 and 186,604.60

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Solution

The fourth proportional to 607,329.40, 911,015.70 and 186,604.60 is: 279,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,329.40 : 911,015.70 = 186,604.60 : x
  2. Step 2: Convert to fraction form
    607,329.40/911,015.70 = 186,604.60/x
  3. Step 3: Cross multiply
    607,329.40x = 911,015.70 × 186,604.60
  4. Step 4: Simplify right side
    607,329.40x = 169,999,720,292.22
  5. Step 5: Solve for x
    x = 169,999,720,292.22/607,329.40
  6. Step 6: Final answer
    x = 279,913.54

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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.