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Finding the Fourth Proportional to 507,751.94, 700,605.68 and 326,422.28

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Solution

The fourth proportional to 507,751.94, 700,605.68 and 326,422.28 is: 450,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,751.94 : 700,605.68 = 326,422.28 : x
  2. Step 2: Convert to fraction form
    507,751.94/700,605.68 = 326,422.28/x
  3. Step 3: Cross multiply
    507,751.94x = 700,605.68 × 326,422.28
  4. Step 4: Simplify right side
    507,751.94x = 228,693,298,311.41
  5. Step 5: Solve for x
    x = 228,693,298,311.41/507,751.94
  6. Step 6: Final answer
    x = 450,403.60

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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.