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Finding the Fourth Proportional to 468,050.13, 645,908.44 and 253,189.53

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Solution

The fourth proportional to 468,050.13, 645,908.44 and 253,189.53 is: 349,401.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,050.13 : 645,908.44 = 253,189.53 : x
  2. Step 2: Convert to fraction form
    468,050.13/645,908.44 = 253,189.53/x
  3. Step 3: Cross multiply
    468,050.13x = 645,908.44 × 253,189.53
  4. Step 4: Simplify right side
    468,050.13x = 163,537,254,346.63
  5. Step 5: Solve for x
    x = 163,537,254,346.63/468,050.13
  6. Step 6: Final answer
    x = 349,401.15

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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.