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Finding the Fourth Proportional to 355,407.04, 533,204.04 and 127,725.64

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Solution

The fourth proportional to 355,407.04, 533,204.04 and 127,725.64 is: 191,622.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,407.04 : 533,204.04 = 127,725.64 : x
  2. Step 2: Convert to fraction form
    355,407.04/533,204.04 = 127,725.64/x
  3. Step 3: Cross multiply
    355,407.04x = 533,204.04 × 127,725.64
  4. Step 4: Simplify right side
    355,407.04x = 68,103,827,259.59
  5. Step 5: Solve for x
    x = 68,103,827,259.59/355,407.04
  6. Step 6: Final answer
    x = 191,622.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.