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Finding the Fourth Proportional to 607,412.40, 911,118.60 and 598,081.20

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Solution

The fourth proportional to 607,412.40, 911,118.60 and 598,081.20 is: 897,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,412.40 : 911,118.60 = 598,081.20 : x
  2. Step 2: Convert to fraction form
    607,412.40/911,118.60 = 598,081.20/x
  3. Step 3: Cross multiply
    607,412.40x = 911,118.60 × 598,081.20
  4. Step 4: Simplify right side
    607,412.40x = 544,922,905,630.32
  5. Step 5: Solve for x
    x = 544,922,905,630.32/607,412.40
  6. Step 6: Final answer
    x = 897,121.80

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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.