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Finding the Fourth Proportional to 507,605.41, 700,813.99 and 326,631.85

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Solution

The fourth proportional to 507,605.41, 700,813.99 and 326,631.85 is: 450,956.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,605.41 : 700,813.99 = 326,631.85 : x
  2. Step 2: Convert to fraction form
    507,605.41/700,813.99 = 326,631.85/x
  3. Step 3: Cross multiply
    507,605.41x = 700,813.99 × 326,631.85
  4. Step 4: Simplify right side
    507,605.41x = 228,908,170,059.58
  5. Step 5: Solve for x
    x = 228,908,170,059.58/507,605.41
  6. Step 6: Final answer
    x = 450,956.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.