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Finding the Fourth Proportional to 295,519.80, 442,991.70 and 169,030.20

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Solution

The fourth proportional to 295,519.80, 442,991.70 and 169,030.20 is: 253,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,519.80 : 442,991.70 = 169,030.20 : x
  2. Step 2: Convert to fraction form
    295,519.80/442,991.70 = 169,030.20/x
  3. Step 3: Cross multiply
    295,519.80x = 442,991.70 × 169,030.20
  4. Step 4: Simplify right side
    295,519.80x = 74,878,975,649.34
  5. Step 5: Solve for x
    x = 74,878,975,649.34/295,519.80
  6. Step 6: Final answer
    x = 253,380.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.