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Finding the Fourth Proportional to 326,529.60, 450,656.32 and 181,368

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Solution

The fourth proportional to 326,529.60, 450,656.32 and 181,368 is: 250,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,529.60 : 450,656.32 = 181,368 : x
  2. Step 2: Convert to fraction form
    326,529.60/450,656.32 = 181,368/x
  3. Step 3: Cross multiply
    326,529.60x = 450,656.32 × 181,368
  4. Step 4: Simplify right side
    326,529.60x = 81,734,635,445.76
  5. Step 5: Solve for x
    x = 81,734,635,445.76/326,529.60
  6. Step 6: Final answer
    x = 250,313.10

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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.