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Finding the Fourth Proportional to 314,463.33, 433,966.54 and 178,484.56

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Solution

The fourth proportional to 314,463.33, 433,966.54 and 178,484.56 is: 246,312.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,463.33 : 433,966.54 = 178,484.56 : x
  2. Step 2: Convert to fraction form
    314,463.33/433,966.54 = 178,484.56/x
  3. Step 3: Cross multiply
    314,463.33x = 433,966.54 × 178,484.56
  4. Step 4: Simplify right side
    314,463.33x = 77,456,324,943.03
  5. Step 5: Solve for x
    x = 77,456,324,943.03/314,463.33
  6. Step 6: Final answer
    x = 246,312.74

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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.