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Finding the Fourth Proportional to 313,370.83, 432,461.66 and 177,402.31

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Solution

The fourth proportional to 313,370.83, 432,461.66 and 177,402.31 is: 244,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,370.83 : 432,461.66 = 177,402.31 : x
  2. Step 2: Convert to fraction form
    313,370.83/432,461.66 = 177,402.31/x
  3. Step 3: Cross multiply
    313,370.83x = 432,461.66 × 177,402.31
  4. Step 4: Simplify right side
    313,370.83x = 76,719,697,470.43
  5. Step 5: Solve for x
    x = 76,719,697,470.43/313,370.83
  6. Step 6: Final answer
    x = 244,820.80

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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.