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Finding the Fourth Proportional to 531,688.64, 797,651.51 and 152,579.81

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Solution

The fourth proportional to 531,688.64, 797,651.51 and 152,579.81 is: 228,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,688.64 : 797,651.51 = 152,579.81 : x
  2. Step 2: Convert to fraction form
    531,688.64/797,651.51 = 152,579.81/x
  3. Step 3: Cross multiply
    531,688.64x = 797,651.51 × 152,579.81
  4. Step 4: Simplify right side
    531,688.64x = 121,705,517,073.24
  5. Step 5: Solve for x
    x = 121,705,517,073.24/531,688.64
  6. Step 6: Final answer
    x = 228,903.74

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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.