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Finding the Fourth Proportional to 531,790.02, 797,512.43 and 176,708.74

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Solution

The fourth proportional to 531,790.02, 797,512.43 and 176,708.74 is: 265,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,790.02 : 797,512.43 = 176,708.74 : x
  2. Step 2: Convert to fraction form
    531,790.02/797,512.43 = 176,708.74/x
  3. Step 3: Cross multiply
    531,790.02x = 797,512.43 × 176,708.74
  4. Step 4: Simplify right side
    531,790.02x = 140,927,416,639.64
  5. Step 5: Solve for x
    x = 140,927,416,639.64/531,790.02
  6. Step 6: Final answer
    x = 265,005.76

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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.