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Finding the Fourth Proportional to 303,356.71, 418,615.90 and 167,364.01

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Solution

The fourth proportional to 303,356.71, 418,615.90 and 167,364.01 is: 230,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,356.71 : 418,615.90 = 167,364.01 : x
  2. Step 2: Convert to fraction form
    303,356.71/418,615.90 = 167,364.01/x
  3. Step 3: Cross multiply
    303,356.71x = 418,615.90 × 167,364.01
  4. Step 4: Simplify right side
    303,356.71x = 70,061,235,673.76
  5. Step 5: Solve for x
    x = 70,061,235,673.76/303,356.71
  6. Step 6: Final answer
    x = 230,953.31

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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.