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Finding the Fourth Proportional to 525,166.48, 724,732.74 and 298,812.04

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Solution

The fourth proportional to 525,166.48, 724,732.74 and 298,812.04 is: 412,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,166.48 : 724,732.74 = 298,812.04 : x
  2. Step 2: Convert to fraction form
    525,166.48/724,732.74 = 298,812.04/x
  3. Step 3: Cross multiply
    525,166.48x = 724,732.74 × 298,812.04
  4. Step 4: Simplify right side
    525,166.48x = 216,558,868,494.19
  5. Step 5: Solve for x
    x = 216,558,868,494.19/525,166.48
  6. Step 6: Final answer
    x = 412,362.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.