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Finding the Fourth Proportional to 486,750.63, 730,125.54 and 183,201.51

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Solution

The fourth proportional to 486,750.63, 730,125.54 and 183,201.51 is: 274,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,750.63 : 730,125.54 = 183,201.51 : x
  2. Step 2: Convert to fraction form
    486,750.63/730,125.54 = 183,201.51/x
  3. Step 3: Cross multiply
    486,750.63x = 730,125.54 × 183,201.51
  4. Step 4: Simplify right side
    486,750.63x = 133,760,101,417.57
  5. Step 5: Solve for x
    x = 133,760,101,417.57/486,750.63
  6. Step 6: Final answer
    x = 274,802.11

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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.