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Finding the Fourth Proportional to 330,988.94, 456,763.47 and 180,088.46

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Solution

The fourth proportional to 330,988.94, 456,763.47 and 180,088.46 is: 248,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,988.94 : 456,763.47 = 180,088.46 : x
  2. Step 2: Convert to fraction form
    330,988.94/456,763.47 = 180,088.46/x
  3. Step 3: Cross multiply
    330,988.94x = 456,763.47 × 180,088.46
  4. Step 4: Simplify right side
    330,988.94x = 82,257,829,896.56
  5. Step 5: Solve for x
    x = 82,257,829,896.56/330,988.94
  6. Step 6: Final answer
    x = 248,521.39

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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.