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Finding the Fourth Proportional to 326,535.80, 456,217 and 326,535.80

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Solution

The fourth proportional to 326,535.80, 456,217 and 326,535.80 is: 456,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,535.80 : 456,217 = 326,535.80 : x
  2. Step 2: Convert to fraction form
    326,535.80/456,217 = 326,535.80/x
  3. Step 3: Cross multiply
    326,535.80x = 456,217 × 326,535.80
  4. Step 4: Simplify right side
    326,535.80x = 148,971,183,068.60
  5. Step 5: Solve for x
    x = 148,971,183,068.60/326,535.80
  6. Step 6: Final answer
    x = 456,217.00

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.