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Finding the Fourth Proportional to 313,842.60, 433,110.24 and 177,890.40

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Solution

The fourth proportional to 313,842.60, 433,110.24 and 177,890.40 is: 245,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,842.60 : 433,110.24 = 177,890.40 : x
  2. Step 2: Convert to fraction form
    313,842.60/433,110.24 = 177,890.40/x
  3. Step 3: Cross multiply
    313,842.60x = 433,110.24 × 177,890.40
  4. Step 4: Simplify right side
    313,842.60x = 77,046,153,837.70
  5. Step 5: Solve for x
    x = 77,046,153,837.70/313,842.60
  6. Step 6: Final answer
    x = 245,492.98

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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.