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Finding the Fourth Proportional to 493,106.59, 739,602.51 and 133,260.40

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Solution

The fourth proportional to 493,106.59, 739,602.51 and 133,260.40 is: 199,875.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,106.59 : 739,602.51 = 133,260.40 : x
  2. Step 2: Convert to fraction form
    493,106.59/739,602.51 = 133,260.40/x
  3. Step 3: Cross multiply
    493,106.59x = 739,602.51 × 133,260.40
  4. Step 4: Simplify right side
    493,106.59x = 98,559,726,323.60
  5. Step 5: Solve for x
    x = 98,559,726,323.60/493,106.59
  6. Step 6: Final answer
    x = 199,875.09

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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.