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Finding the Fourth Proportional to 507,326.48, 699,773.36 and 326,267.45

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Solution

The fourth proportional to 507,326.48, 699,773.36 and 326,267.45 is: 450,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,326.48 : 699,773.36 = 326,267.45 : x
  2. Step 2: Convert to fraction form
    507,326.48/699,773.36 = 326,267.45/x
  3. Step 3: Cross multiply
    507,326.48x = 699,773.36 × 326,267.45
  4. Step 4: Simplify right side
    507,326.48x = 228,313,268,113.80
  5. Step 5: Solve for x
    x = 228,313,268,113.80/507,326.48
  6. Step 6: Final answer
    x = 450,032.23

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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.