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Finding the Fourth Proportional to 303,451.32, 418,762.56 and 169,315.32

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Solution

The fourth proportional to 303,451.32, 418,762.56 and 169,315.32 is: 233,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,451.32 : 418,762.56 = 169,315.32 : x
  2. Step 2: Convert to fraction form
    303,451.32/418,762.56 = 169,315.32/x
  3. Step 3: Cross multiply
    303,451.32x = 418,762.56 × 169,315.32
  4. Step 4: Simplify right side
    303,451.32x = 70,902,916,850.42
  5. Step 5: Solve for x
    x = 70,902,916,850.42/303,451.32
  6. Step 6: Final answer
    x = 233,655.00

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1.5x scale

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.