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Finding the Fourth Proportional to 604,897.46, 906,736.26 and 380,418.32

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Solution

The fourth proportional to 604,897.46, 906,736.26 and 380,418.32 is: 570,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,897.46 : 906,736.26 = 380,418.32 : x
  2. Step 2: Convert to fraction form
    604,897.46/906,736.26 = 380,418.32/x
  3. Step 3: Cross multiply
    604,897.46x = 906,736.26 × 380,418.32
  4. Step 4: Simplify right side
    604,897.46x = 344,939,084,712.28
  5. Step 5: Solve for x
    x = 344,939,084,712.28/604,897.46
  6. Step 6: Final answer
    x = 570,243.90

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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.