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Finding the Fourth Proportional to 603,952.40, 905,928.60 and 404,886.80

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Solution

The fourth proportional to 603,952.40, 905,928.60 and 404,886.80 is: 607,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,952.40 : 905,928.60 = 404,886.80 : x
  2. Step 2: Convert to fraction form
    603,952.40/905,928.60 = 404,886.80/x
  3. Step 3: Cross multiply
    603,952.40x = 905,928.60 × 404,886.80
  4. Step 4: Simplify right side
    603,952.40x = 366,798,531,882.48
  5. Step 5: Solve for x
    x = 366,798,531,882.48/603,952.40
  6. Step 6: Final answer
    x = 607,330.20

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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.