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Finding the Fourth Proportional to 354,168.83, 488,759.03 and 193,032.72

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Solution

The fourth proportional to 354,168.83, 488,759.03 and 193,032.72 is: 266,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,168.83 : 488,759.03 = 193,032.72 : x
  2. Step 2: Convert to fraction form
    354,168.83/488,759.03 = 193,032.72/x
  3. Step 3: Cross multiply
    354,168.83x = 488,759.03 × 193,032.72
  4. Step 4: Simplify right side
    354,168.83x = 94,346,484,985.46
  5. Step 5: Solve for x
    x = 94,346,484,985.46/354,168.83
  6. Step 6: Final answer
    x = 266,388.45

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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.