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Finding the Fourth Proportional to 507,219.52, 700,437.10 and 326,245.61

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Solution

The fourth proportional to 507,219.52, 700,437.10 and 326,245.61 is: 450,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,219.52 : 700,437.10 = 326,245.61 : x
  2. Step 2: Convert to fraction form
    507,219.52/700,437.10 = 326,245.61/x
  3. Step 3: Cross multiply
    507,219.52x = 700,437.10 × 326,245.61
  4. Step 4: Simplify right side
    507,219.52x = 228,514,528,600.77
  5. Step 5: Solve for x
    x = 228,514,528,600.77/507,219.52
  6. Step 6: Final answer
    x = 450,523.92

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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.