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Finding the Fourth Proportional to 375,706.76, 563,646.56 and 122,995.40

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Solution

The fourth proportional to 375,706.76, 563,646.56 and 122,995.40 is: 184,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,706.76 : 563,646.56 = 122,995.40 : x
  2. Step 2: Convert to fraction form
    375,706.76/563,646.56 = 122,995.40/x
  3. Step 3: Cross multiply
    375,706.76x = 563,646.56 × 122,995.40
  4. Step 4: Simplify right side
    375,706.76x = 69,325,934,105.82
  5. Step 5: Solve for x
    x = 69,325,934,105.82/375,706.76
  6. Step 6: Final answer
    x = 184,521.39

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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.