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Finding the Fourth Proportional to 313,301.60, 432,354.75 and 170,060.39

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Solution

The fourth proportional to 313,301.60, 432,354.75 and 170,060.39 is: 234,682.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,301.60 : 432,354.75 = 170,060.39 : x
  2. Step 2: Convert to fraction form
    313,301.60/432,354.75 = 170,060.39/x
  3. Step 3: Cross multiply
    313,301.60x = 432,354.75 × 170,060.39
  4. Step 4: Simplify right side
    313,301.60x = 73,526,417,403.35
  5. Step 5: Solve for x
    x = 73,526,417,403.35/313,301.60
  6. Step 6: Final answer
    x = 234,682.55

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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.