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Finding the Fourth Proportional to 434,699.02, 652,053.06 and 119,155.96

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Solution

The fourth proportional to 434,699.02, 652,053.06 and 119,155.96 is: 178,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,699.02 : 652,053.06 = 119,155.96 : x
  2. Step 2: Convert to fraction form
    434,699.02/652,053.06 = 119,155.96/x
  3. Step 3: Cross multiply
    434,699.02x = 652,053.06 × 119,155.96
  4. Step 4: Simplify right side
    434,699.02x = 77,696,008,335.24
  5. Step 5: Solve for x
    x = 77,696,008,335.24/434,699.02
  6. Step 6: Final answer
    x = 178,735.18

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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.