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Finding the Fourth Proportional to 375,246, 562,780.44 and 122,461.20

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Solution

The fourth proportional to 375,246, 562,780.44 and 122,461.20 is: 183,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,246 : 562,780.44 = 122,461.20 : x
  2. Step 2: Convert to fraction form
    375,246/562,780.44 = 122,461.20/x
  3. Step 3: Cross multiply
    375,246x = 562,780.44 × 122,461.20
  4. Step 4: Simplify right side
    375,246x = 68,918,768,018.93
  5. Step 5: Solve for x
    x = 68,918,768,018.93/375,246
  6. Step 6: Final answer
    x = 183,662.90

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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.