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Finding the Fourth Proportional to 434,804.68, 651,901.48 and 191,530.33

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Solution

The fourth proportional to 434,804.68, 651,901.48 and 191,530.33 is: 287,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,804.68 : 651,901.48 = 191,530.33 : x
  2. Step 2: Convert to fraction form
    434,804.68/651,901.48 = 191,530.33/x
  3. Step 3: Cross multiply
    434,804.68x = 651,901.48 × 191,530.33
  4. Step 4: Simplify right side
    434,804.68x = 124,858,905,591.89
  5. Step 5: Solve for x
    x = 124,858,905,591.89/434,804.68
  6. Step 6: Final answer
    x = 287,160.91

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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.