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Finding the Fourth Proportional to 537,006.20, 804,818.10 and 326,420.60

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Solution

The fourth proportional to 537,006.20, 804,818.10 and 326,420.60 is: 489,210.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,006.20 : 804,818.10 = 326,420.60 : x
  2. Step 2: Convert to fraction form
    537,006.20/804,818.10 = 326,420.60/x
  3. Step 3: Cross multiply
    537,006.20x = 804,818.10 × 326,420.60
  4. Step 4: Simplify right side
    537,006.20x = 262,709,207,092.86
  5. Step 5: Solve for x
    x = 262,709,207,092.86/537,006.20
  6. Step 6: Final answer
    x = 489,210.75

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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.