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Finding the Fourth Proportional to 326,087.90, 456,834.10 and 326,087.90

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Solution

The fourth proportional to 326,087.90, 456,834.10 and 326,087.90 is: 456,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,087.90 : 456,834.10 = 326,087.90 : x
  2. Step 2: Convert to fraction form
    326,087.90/456,834.10 = 326,087.90/x
  3. Step 3: Cross multiply
    326,087.90x = 456,834.10 × 326,087.90
  4. Step 4: Simplify right side
    326,087.90x = 148,968,072,317.39
  5. Step 5: Solve for x
    x = 148,968,072,317.39/326,087.90
  6. Step 6: Final answer
    x = 456,834.10

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1.5x scale

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.