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Finding the Fourth Proportional to 435,483.13, 653,056.74 and 169,208.59

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Solution

The fourth proportional to 435,483.13, 653,056.74 and 169,208.59 is: 253,747.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,483.13 : 653,056.74 = 169,208.59 : x
  2. Step 2: Convert to fraction form
    435,483.13/653,056.74 = 169,208.59/x
  3. Step 3: Cross multiply
    435,483.13x = 653,056.74 × 169,208.59
  4. Step 4: Simplify right side
    435,483.13x = 110,502,810,165.40
  5. Step 5: Solve for x
    x = 110,502,810,165.40/435,483.13
  6. Step 6: Final answer
    x = 253,747.63

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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.