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Finding the Fourth Proportional to 608,094.60, 912,141.90 and 384,145.80

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Solution

The fourth proportional to 608,094.60, 912,141.90 and 384,145.80 is: 576,218.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,094.60 : 912,141.90 = 384,145.80 : x
  2. Step 2: Convert to fraction form
    608,094.60/912,141.90 = 384,145.80/x
  3. Step 3: Cross multiply
    608,094.60x = 912,141.90 × 384,145.80
  4. Step 4: Simplify right side
    608,094.60x = 350,395,479,889.02
  5. Step 5: Solve for x
    x = 350,395,479,889.02/608,094.60
  6. Step 6: Final answer
    x = 576,218.70

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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.