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Finding the Fourth Proportional to 368,520.36, 552,430.60 and 144,024.80

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Solution

The fourth proportional to 368,520.36, 552,430.60 and 144,024.80 is: 215,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,520.36 : 552,430.60 = 144,024.80 : x
  2. Step 2: Convert to fraction form
    368,520.36/552,430.60 = 144,024.80/x
  3. Step 3: Cross multiply
    368,520.36x = 552,430.60 × 144,024.80
  4. Step 4: Simplify right side
    368,520.36x = 79,563,706,678.88
  5. Step 5: Solve for x
    x = 79,563,706,678.88/368,520.36
  6. Step 6: Final answer
    x = 215,900.44

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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.