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Finding the Fourth Proportional to 604,064.40, 906,096.60 and 404,998.80

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Solution

The fourth proportional to 604,064.40, 906,096.60 and 404,998.80 is: 607,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,064.40 : 906,096.60 = 404,998.80 : x
  2. Step 2: Convert to fraction form
    604,064.40/906,096.60 = 404,998.80/x
  3. Step 3: Cross multiply
    604,064.40x = 906,096.60 × 404,998.80
  4. Step 4: Simplify right side
    604,064.40x = 366,968,035,684.08
  5. Step 5: Solve for x
    x = 366,968,035,684.08/604,064.40
  6. Step 6: Final answer
    x = 607,498.20

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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.