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Finding the Fourth Proportional to 934,905.60, 1,400,745.60 and 435,244.80

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Solution

The fourth proportional to 934,905.60, 1,400,745.60 and 435,244.80 is: 652,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,905.60 : 1,400,745.60 = 435,244.80 : x
  2. Step 2: Convert to fraction form
    934,905.60/1,400,745.60 = 435,244.80/x
  3. Step 3: Cross multiply
    934,905.60x = 1,400,745.60 × 435,244.80
  4. Step 4: Simplify right side
    934,905.60x = 609,667,238,522.88
  5. Step 5: Solve for x
    x = 609,667,238,522.88/934,905.60
  6. Step 6: Final answer
    x = 652,116.36

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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.