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Finding the Fourth Proportional to 508,688.00, 763,101.95 and 188,812.69

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Solution

The fourth proportional to 508,688.00, 763,101.95 and 188,812.69 is: 283,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,688.00 : 763,101.95 = 188,812.69 : x
  2. Step 2: Convert to fraction form
    508,688.00/763,101.95 = 188,812.69/x
  3. Step 3: Cross multiply
    508,688.00x = 763,101.95 × 188,812.69
  4. Step 4: Simplify right side
    508,688.00x = 144,083,331,210.79
  5. Step 5: Solve for x
    x = 144,083,331,210.79/508,688.00
  6. Step 6: Final answer
    x = 283,245.00

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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.