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Finding the Fourth Proportional to 631,886.34, 947,956.55 and 232,529.21

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Solution

The fourth proportional to 631,886.34, 947,956.55 and 232,529.21 is: 348,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,886.34 : 947,956.55 = 232,529.21 : x
  2. Step 2: Convert to fraction form
    631,886.34/947,956.55 = 232,529.21/x
  3. Step 3: Cross multiply
    631,886.34x = 947,956.55 × 232,529.21
  4. Step 4: Simplify right side
    631,886.34x = 220,427,581,783.40
  5. Step 5: Solve for x
    x = 220,427,581,783.40/631,886.34
  6. Step 6: Final answer
    x = 348,840.56

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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.