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Finding the Fourth Proportional to 435,480.51, 652,966.53 and 168,929.56

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Solution

The fourth proportional to 435,480.51, 652,966.53 and 168,929.56 is: 253,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,480.51 : 652,966.53 = 168,929.56 : x
  2. Step 2: Convert to fraction form
    435,480.51/652,966.53 = 168,929.56/x
  3. Step 3: Cross multiply
    435,480.51x = 652,966.53 × 168,929.56
  4. Step 4: Simplify right side
    435,480.51x = 110,305,348,607.63
  5. Step 5: Solve for x
    x = 110,305,348,607.63/435,480.51
  6. Step 6: Final answer
    x = 253,295.72

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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.