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Finding the Fourth Proportional to 615,203.10, 922,148.55 and 235,977.30

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Solution

The fourth proportional to 615,203.10, 922,148.55 and 235,977.30 is: 353,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,203.10 : 922,148.55 = 235,977.30 : x
  2. Step 2: Convert to fraction form
    615,203.10/922,148.55 = 235,977.30/x
  3. Step 3: Cross multiply
    615,203.10x = 922,148.55 × 235,977.30
  4. Step 4: Simplify right side
    615,203.10x = 217,606,125,027.92
  5. Step 5: Solve for x
    x = 217,606,125,027.92/615,203.10
  6. Step 6: Final answer
    x = 353,714.29

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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.