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Finding the Fourth Proportional to 507,040.09, 700,189.48 and 326,066.30

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Solution

The fourth proportional to 507,040.09, 700,189.48 and 326,066.30 is: 450,276.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,040.09 : 700,189.48 = 326,066.30 : x
  2. Step 2: Convert to fraction form
    507,040.09/700,189.48 = 326,066.30/x
  3. Step 3: Cross multiply
    507,040.09x = 700,189.48 × 326,066.30
  4. Step 4: Simplify right side
    507,040.09x = 228,308,193,042.52
  5. Step 5: Solve for x
    x = 228,308,193,042.52/507,040.09
  6. Step 6: Final answer
    x = 450,276.41

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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.