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Finding the Fourth Proportional to 313,287.14, 432,300.24 and 175,446.81

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Solution

The fourth proportional to 313,287.14, 432,300.24 and 175,446.81 is: 242,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,287.14 : 432,300.24 = 175,446.81 : x
  2. Step 2: Convert to fraction form
    313,287.14/432,300.24 = 175,446.81/x
  3. Step 3: Cross multiply
    313,287.14x = 432,300.24 × 175,446.81
  4. Step 4: Simplify right side
    313,287.14x = 75,845,698,070.23
  5. Step 5: Solve for x
    x = 75,845,698,070.23/313,287.14
  6. Step 6: Final answer
    x = 242,096.43

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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.