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Finding the Fourth Proportional to 265,300.64, 366,291.28 and 203,938.08

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Solution

The fourth proportional to 265,300.64, 366,291.28 and 203,938.08 is: 281,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,300.64 : 366,291.28 = 203,938.08 : x
  2. Step 2: Convert to fraction form
    265,300.64/366,291.28 = 203,938.08/x
  3. Step 3: Cross multiply
    265,300.64x = 366,291.28 × 203,938.08
  4. Step 4: Simplify right side
    265,300.64x = 74,700,740,363.94
  5. Step 5: Solve for x
    x = 74,700,740,363.94/265,300.64
  6. Step 6: Final answer
    x = 281,570.15

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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.