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Finding the Fourth Proportional to 375,192.34, 517,765.32 and 203,110.18

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Solution

The fourth proportional to 375,192.34, 517,765.32 and 203,110.18 is: 280,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,192.34 : 517,765.32 = 203,110.18 : x
  2. Step 2: Convert to fraction form
    375,192.34/517,765.32 = 203,110.18/x
  3. Step 3: Cross multiply
    375,192.34x = 517,765.32 × 203,110.18
  4. Step 4: Simplify right side
    375,192.34x = 105,163,404,316.07
  5. Step 5: Solve for x
    x = 105,163,404,316.07/375,192.34
  6. Step 6: Final answer
    x = 280,291.98

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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.