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Finding the Fourth Proportional to 344,412, 516,700.80 and 119,739.60

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Solution

The fourth proportional to 344,412, 516,700.80 and 119,739.60 is: 179,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,412 : 516,700.80 = 119,739.60 : x
  2. Step 2: Convert to fraction form
    344,412/516,700.80 = 119,739.60/x
  3. Step 3: Cross multiply
    344,412x = 516,700.80 × 119,739.60
  4. Step 4: Simplify right side
    344,412x = 61,869,547,111.68
  5. Step 5: Solve for x
    x = 61,869,547,111.68/344,412
  6. Step 6: Final answer
    x = 179,638.19

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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.