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Finding the Fourth Proportional to 313,293.78, 432,333.84 and 170,050.80

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Solution

The fourth proportional to 313,293.78, 432,333.84 and 170,050.80 is: 234,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,293.78 : 432,333.84 = 170,050.80 : x
  2. Step 2: Convert to fraction form
    313,293.78/432,333.84 = 170,050.80/x
  3. Step 3: Cross multiply
    313,293.78x = 432,333.84 × 170,050.80
  4. Step 4: Simplify right side
    313,293.78x = 73,518,715,359.07
  5. Step 5: Solve for x
    x = 73,518,715,359.07/313,293.78
  6. Step 6: Final answer
    x = 234,663.82

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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.