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Finding the Fourth Proportional to 700,898.96, 1,051,435.95 and 274,379.72

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Solution

The fourth proportional to 700,898.96, 1,051,435.95 and 274,379.72 is: 411,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,898.96 : 1,051,435.95 = 274,379.72 : x
  2. Step 2: Convert to fraction form
    700,898.96/1,051,435.95 = 274,379.72/x
  3. Step 3: Cross multiply
    700,898.96x = 1,051,435.95 × 274,379.72
  4. Step 4: Simplify right side
    700,898.96x = 288,492,701,558.93
  5. Step 5: Solve for x
    x = 288,492,701,558.93/700,898.96
  6. Step 6: Final answer
    x = 411,603.84

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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.