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Finding the Fourth Proportional to 354,180.19, 488,754.41 and 193,031.77

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Solution

The fourth proportional to 354,180.19, 488,754.41 and 193,031.77 is: 266,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,180.19 : 488,754.41 = 193,031.77 : x
  2. Step 2: Convert to fraction form
    354,180.19/488,754.41 = 193,031.77/x
  3. Step 3: Cross multiply
    354,180.19x = 488,754.41 × 193,031.77
  4. Step 4: Simplify right side
    354,180.19x = 94,345,127,892.45
  5. Step 5: Solve for x
    x = 94,345,127,892.45/354,180.19
  6. Step 6: Final answer
    x = 266,376.07

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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.