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Finding the Fourth Proportional to 240,605.40, 360,908.10 and 165,955.80

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Solution

The fourth proportional to 240,605.40, 360,908.10 and 165,955.80 is: 248,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,605.40 : 360,908.10 = 165,955.80 : x
  2. Step 2: Convert to fraction form
    240,605.40/360,908.10 = 165,955.80/x
  3. Step 3: Cross multiply
    240,605.40x = 360,908.10 × 165,955.80
  4. Step 4: Simplify right side
    240,605.40x = 59,894,792,461.98
  5. Step 5: Solve for x
    x = 59,894,792,461.98/240,605.40
  6. Step 6: Final answer
    x = 248,933.70

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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.