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Finding the Fourth Proportional to 515,688.84, 773,533.50 and 160,731.48

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Solution

The fourth proportional to 515,688.84, 773,533.50 and 160,731.48 is: 241,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,688.84 : 773,533.50 = 160,731.48 : x
  2. Step 2: Convert to fraction form
    515,688.84/773,533.50 = 160,731.48/x
  3. Step 3: Cross multiply
    515,688.84x = 773,533.50 × 160,731.48
  4. Step 4: Simplify right side
    515,688.84x = 124,331,184,284.58
  5. Step 5: Solve for x
    x = 124,331,184,284.58/515,688.84
  6. Step 6: Final answer
    x = 241,097.29

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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.