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Finding the Fourth Proportional to 536,412.40, 804,106.60 and 199,362.80

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Solution

The fourth proportional to 536,412.40, 804,106.60 and 199,362.80 is: 298,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,412.40 : 804,106.60 = 199,362.80 : x
  2. Step 2: Convert to fraction form
    536,412.40/804,106.60 = 199,362.80/x
  3. Step 3: Cross multiply
    536,412.40x = 804,106.60 × 199,362.80
  4. Step 4: Simplify right side
    536,412.40x = 160,308,943,274.48
  5. Step 5: Solve for x
    x = 160,308,943,274.48/536,412.40
  6. Step 6: Final answer
    x = 298,853.91

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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.