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Finding the Fourth Proportional to 354,532.34, 531,355.03 and 177,088.88

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Solution

The fourth proportional to 354,532.34, 531,355.03 and 177,088.88 is: 265,411.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,532.34 : 531,355.03 = 177,088.88 : x
  2. Step 2: Convert to fraction form
    354,532.34/531,355.03 = 177,088.88/x
  3. Step 3: Cross multiply
    354,532.34x = 531,355.03 × 177,088.88
  4. Step 4: Simplify right side
    354,532.34x = 94,097,068,030.73
  5. Step 5: Solve for x
    x = 94,097,068,030.73/354,532.34
  6. Step 6: Final answer
    x = 265,411.80

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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.