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Finding the Fourth Proportional to 507,039.09, 700,188.10 and 326,065.30

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Solution

The fourth proportional to 507,039.09, 700,188.10 and 326,065.30 is: 450,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,039.09 : 700,188.10 = 326,065.30 : x
  2. Step 2: Convert to fraction form
    507,039.09/700,188.10 = 326,065.30/x
  3. Step 3: Cross multiply
    507,039.09x = 700,188.10 × 326,065.30
  4. Step 4: Simplify right side
    507,039.09x = 228,307,040,317.30
  5. Step 5: Solve for x
    x = 228,307,040,317.30/507,039.09
  6. Step 6: Final answer
    x = 450,275.03

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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.