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Finding the Fourth Proportional to 367,652.90, 551,608.95 and 354,692.90

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Solution

The fourth proportional to 367,652.90, 551,608.95 and 354,692.90 is: 532,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,652.90 : 551,608.95 = 354,692.90 : x
  2. Step 2: Convert to fraction form
    367,652.90/551,608.95 = 354,692.90/x
  3. Step 3: Cross multiply
    367,652.90x = 551,608.95 × 354,692.90
  4. Step 4: Simplify right side
    367,652.90x = 195,651,778,141.46
  5. Step 5: Solve for x
    x = 195,651,778,141.46/367,652.90
  6. Step 6: Final answer
    x = 532,164.38

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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.