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Finding the Fourth Proportional to 606,907.40, 910,361.10 and 382,521.20

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Solution

The fourth proportional to 606,907.40, 910,361.10 and 382,521.20 is: 573,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,907.40 : 910,361.10 = 382,521.20 : x
  2. Step 2: Convert to fraction form
    606,907.40/910,361.10 = 382,521.20/x
  3. Step 3: Cross multiply
    606,907.40x = 910,361.10 × 382,521.20
  4. Step 4: Simplify right side
    606,907.40x = 348,232,420,405.32
  5. Step 5: Solve for x
    x = 348,232,420,405.32/606,907.40
  6. Step 6: Final answer
    x = 573,781.80

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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.