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Finding the Fourth Proportional to 605,672.51, 907,344.45 and 338,623.16

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Solution

The fourth proportional to 605,672.51, 907,344.45 and 338,623.16 is: 507,283.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,672.51 : 907,344.45 = 338,623.16 : x
  2. Step 2: Convert to fraction form
    605,672.51/907,344.45 = 338,623.16/x
  3. Step 3: Cross multiply
    605,672.51x = 907,344.45 × 338,623.16
  4. Step 4: Simplify right side
    605,672.51x = 307,247,844,867.46
  5. Step 5: Solve for x
    x = 307,247,844,867.46/605,672.51
  6. Step 6: Final answer
    x = 507,283.79

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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.