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Finding the Fourth Proportional to 254,673.70, 351,425.52 and 152,680.21

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Solution

The fourth proportional to 254,673.70, 351,425.52 and 152,680.21 is: 210,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,673.70 : 351,425.52 = 152,680.21 : x
  2. Step 2: Convert to fraction form
    254,673.70/351,425.52 = 152,680.21/x
  3. Step 3: Cross multiply
    254,673.70x = 351,425.52 × 152,680.21
  4. Step 4: Simplify right side
    254,673.70x = 53,655,721,314.40
  5. Step 5: Solve for x
    x = 53,655,721,314.40/254,673.70
  6. Step 6: Final answer
    x = 210,684.19

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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.