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Finding the Fourth Proportional to 359,941.40, 539,912.10 and 354,692.60

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Solution

The fourth proportional to 359,941.40, 539,912.10 and 354,692.60 is: 532,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,941.40 : 539,912.10 = 354,692.60 : x
  2. Step 2: Convert to fraction form
    359,941.40/539,912.10 = 354,692.60/x
  3. Step 3: Cross multiply
    359,941.40x = 539,912.10 × 354,692.60
  4. Step 4: Simplify right side
    359,941.40x = 191,502,826,520.46
  5. Step 5: Solve for x
    x = 191,502,826,520.46/359,941.40
  6. Step 6: Final answer
    x = 532,038.90

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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.