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Finding the Fourth Proportional to 553,773.12, 764,207.37 and 299,124.51

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Solution

The fourth proportional to 553,773.12, 764,207.37 and 299,124.51 is: 412,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,773.12 : 764,207.37 = 299,124.51 : x
  2. Step 2: Convert to fraction form
    553,773.12/764,207.37 = 299,124.51/x
  3. Step 3: Cross multiply
    553,773.12x = 764,207.37 × 299,124.51
  4. Step 4: Simplify right side
    553,773.12x = 228,593,155,089.64
  5. Step 5: Solve for x
    x = 228,593,155,089.64/553,773.12
  6. Step 6: Final answer
    x = 412,792.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.