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Finding the Fourth Proportional to 604,067.90, 906,101.85 and 405,002.30

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Solution

The fourth proportional to 604,067.90, 906,101.85 and 405,002.30 is: 607,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,067.90 : 906,101.85 = 405,002.30 : x
  2. Step 2: Convert to fraction form
    604,067.90/906,101.85 = 405,002.30/x
  3. Step 3: Cross multiply
    604,067.90x = 906,101.85 × 405,002.30
  4. Step 4: Simplify right side
    604,067.90x = 366,973,333,284.26
  5. Step 5: Solve for x
    x = 366,973,333,284.26/604,067.90
  6. Step 6: Final answer
    x = 607,503.45

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Similar ratio
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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.