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Finding the Fourth Proportional to 507,611.94, 700,823.01 and 326,638.39

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Solution

The fourth proportional to 507,611.94, 700,823.01 and 326,638.39 is: 450,965.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,611.94 : 700,823.01 = 326,638.39 : x
  2. Step 2: Convert to fraction form
    507,611.94/700,823.01 = 326,638.39/x
  3. Step 3: Cross multiply
    507,611.94x = 700,823.01 × 326,638.39
  4. Step 4: Simplify right side
    507,611.94x = 228,915,699,661.35
  5. Step 5: Solve for x
    x = 228,915,699,661.35/507,611.94
  6. Step 6: Final answer
    x = 450,965.95

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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.