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Finding the Fourth Proportional to 576,869.60, 794,955.36 and 415,419.60

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Solution

The fourth proportional to 576,869.60, 794,955.36 and 415,419.60 is: 572,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,869.60 : 794,955.36 = 415,419.60 : x
  2. Step 2: Convert to fraction form
    576,869.60/794,955.36 = 415,419.60/x
  3. Step 3: Cross multiply
    576,869.60x = 794,955.36 × 415,419.60
  4. Step 4: Simplify right side
    576,869.60x = 330,240,037,669.06
  5. Step 5: Solve for x
    x = 330,240,037,669.06/576,869.60
  6. Step 6: Final answer
    x = 572,469.13

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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.