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Finding the Fourth Proportional to 615,182.10, 922,117.05 and 235,956.30

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Solution

The fourth proportional to 615,182.10, 922,117.05 and 235,956.30 is: 353,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,182.10 : 922,117.05 = 235,956.30 : x
  2. Step 2: Convert to fraction form
    615,182.10/922,117.05 = 235,956.30/x
  3. Step 3: Cross multiply
    615,182.10x = 922,117.05 × 235,956.30
  4. Step 4: Simplify right side
    615,182.10x = 217,579,327,284.92
  5. Step 5: Solve for x
    x = 217,579,327,284.92/615,182.10
  6. Step 6: Final answer
    x = 353,682.80

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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.