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Finding the Fourth Proportional to 360,869.34, 540,946.80 and 170,994

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Solution

The fourth proportional to 360,869.34, 540,946.80 and 170,994 is: 256,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,869.34 : 540,946.80 = 170,994 : x
  2. Step 2: Convert to fraction form
    360,869.34/540,946.80 = 170,994/x
  3. Step 3: Cross multiply
    360,869.34x = 540,946.80 × 170,994
  4. Step 4: Simplify right side
    360,869.34x = 92,498,657,119.20
  5. Step 5: Solve for x
    x = 92,498,657,119.20/360,869.34
  6. Step 6: Final answer
    x = 256,321.74

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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.