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Finding the Fourth Proportional to 395,692.80, 593,150.40 and 353,702.40

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Solution

The fourth proportional to 395,692.80, 593,150.40 and 353,702.40 is: 530,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,692.80 : 593,150.40 = 353,702.40 : x
  2. Step 2: Convert to fraction form
    395,692.80/593,150.40 = 353,702.40/x
  3. Step 3: Cross multiply
    395,692.80x = 593,150.40 × 353,702.40
  4. Step 4: Simplify right side
    395,692.80x = 209,798,720,040.96
  5. Step 5: Solve for x
    x = 209,798,720,040.96/395,692.80
  6. Step 6: Final answer
    x = 530,206.06

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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.