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Finding the Fourth Proportional to 330,903.88, 456,645.30 and 180,001.48

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Solution

The fourth proportional to 330,903.88, 456,645.30 and 180,001.48 is: 248,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,903.88 : 456,645.30 = 180,001.48 : x
  2. Step 2: Convert to fraction form
    330,903.88/456,645.30 = 180,001.48/x
  3. Step 3: Cross multiply
    330,903.88x = 456,645.30 × 180,001.48
  4. Step 4: Simplify right side
    330,903.88x = 82,196,829,835.04
  5. Step 5: Solve for x
    x = 82,196,829,835.04/330,903.88
  6. Step 6: Final answer
    x = 248,400.92

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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.