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Finding the Fourth Proportional to 404,680.20, 607,020.30 and 382,907.40

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Solution

The fourth proportional to 404,680.20, 607,020.30 and 382,907.40 is: 574,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,680.20 : 607,020.30 = 382,907.40 : x
  2. Step 2: Convert to fraction form
    404,680.20/607,020.30 = 382,907.40/x
  3. Step 3: Cross multiply
    404,680.20x = 607,020.30 × 382,907.40
  4. Step 4: Simplify right side
    404,680.20x = 232,432,564,820.22
  5. Step 5: Solve for x
    x = 232,432,564,820.22/404,680.20
  6. Step 6: Final answer
    x = 574,361.10

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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.