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Finding the Fourth Proportional to 338,605.40, 507,912.42 and 233,396.12

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Solution

The fourth proportional to 338,605.40, 507,912.42 and 233,396.12 is: 350,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,605.40 : 507,912.42 = 233,396.12 : x
  2. Step 2: Convert to fraction form
    338,605.40/507,912.42 = 233,396.12/x
  3. Step 3: Cross multiply
    338,605.40x = 507,912.42 × 233,396.12
  4. Step 4: Simplify right side
    338,605.40x = 118,544,788,127.81
  5. Step 5: Solve for x
    x = 118,544,788,127.81/338,605.40
  6. Step 6: Final answer
    x = 350,097.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.