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Finding the Fourth Proportional to 608,214.40, 910,939.20 and 384,265.60

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Solution

The fourth proportional to 608,214.40, 910,939.20 and 384,265.60 is: 575,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,214.40 : 910,939.20 = 384,265.60 : x
  2. Step 2: Convert to fraction form
    608,214.40/910,939.20 = 384,265.60/x
  3. Step 3: Cross multiply
    608,214.40x = 910,939.20 × 384,265.60
  4. Step 4: Simplify right side
    608,214.40x = 350,042,598,251.52
  5. Step 5: Solve for x
    x = 350,042,598,251.52/608,214.40
  6. Step 6: Final answer
    x = 575,525.01

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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.