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Finding the Fourth Proportional to 313,034.56, 432,009.10 and 177,068.58

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Solution

The fourth proportional to 313,034.56, 432,009.10 and 177,068.58 is: 244,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,034.56 : 432,009.10 = 177,068.58 : x
  2. Step 2: Convert to fraction form
    313,034.56/432,009.10 = 177,068.58/x
  3. Step 3: Cross multiply
    313,034.56x = 432,009.10 × 177,068.58
  4. Step 4: Simplify right side
    313,034.56x = 76,495,237,884.08
  5. Step 5: Solve for x
    x = 76,495,237,884.08/313,034.56
  6. Step 6: Final answer
    x = 244,366.75

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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.