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Finding the Fourth Proportional to 355,622.40, 533,692.80 and 237,254.40

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Solution

The fourth proportional to 355,622.40, 533,692.80 and 237,254.40 is: 356,054.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,622.40 : 533,692.80 = 237,254.40 : x
  2. Step 2: Convert to fraction form
    355,622.40/533,692.80 = 237,254.40/x
  3. Step 3: Cross multiply
    355,622.40x = 533,692.80 × 237,254.40
  4. Step 4: Simplify right side
    355,622.40x = 126,620,965,048.32
  5. Step 5: Solve for x
    x = 126,620,965,048.32/355,622.40
  6. Step 6: Final answer
    x = 356,054.53

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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.