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Finding the Fourth Proportional to 330,810.54, 456,622.51 and 187,665.74

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Solution

The fourth proportional to 330,810.54, 456,622.51 and 187,665.74 is: 259,037.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,810.54 : 456,622.51 = 187,665.74 : x
  2. Step 2: Convert to fraction form
    330,810.54/456,622.51 = 187,665.74/x
  3. Step 3: Cross multiply
    330,810.54x = 456,622.51 × 187,665.74
  4. Step 4: Simplify right side
    330,810.54x = 85,692,401,239.81
  5. Step 5: Solve for x
    x = 85,692,401,239.81/330,810.54
  6. Step 6: Final answer
    x = 259,037.70

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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.