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Finding the Fourth Proportional to 830,692.27, 1,245,210.27 and 351,041.05

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Solution

The fourth proportional to 830,692.27, 1,245,210.27 and 351,041.05 is: 526,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,692.27 : 1,245,210.27 = 351,041.05 : x
  2. Step 2: Convert to fraction form
    830,692.27/1,245,210.27 = 351,041.05/x
  3. Step 3: Cross multiply
    830,692.27x = 1,245,210.27 × 351,041.05
  4. Step 4: Simplify right side
    830,692.27x = 437,119,920,651.58
  5. Step 5: Solve for x
    x = 437,119,920,651.58/830,692.27
  6. Step 6: Final answer
    x = 526,211.61

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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.