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Finding the Fourth Proportional to 344,557.06, 516,700.23 and 144,973.06

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Solution

The fourth proportional to 344,557.06, 516,700.23 and 144,973.06 is: 217,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,557.06 : 516,700.23 = 144,973.06 : x
  2. Step 2: Convert to fraction form
    344,557.06/516,700.23 = 144,973.06/x
  3. Step 3: Cross multiply
    344,557.06x = 516,700.23 × 144,973.06
  4. Step 4: Simplify right side
    344,557.06x = 74,907,613,445.80
  5. Step 5: Solve for x
    x = 74,907,613,445.80/344,557.06
  6. Step 6: Final answer
    x = 217,402.64

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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.