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Finding the Fourth Proportional to 576,779.36, 865,100.88 and 177,419.36

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Solution

The fourth proportional to 576,779.36, 865,100.88 and 177,419.36 is: 266,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,779.36 : 865,100.88 = 177,419.36 : x
  2. Step 2: Convert to fraction form
    576,779.36/865,100.88 = 177,419.36/x
  3. Step 3: Cross multiply
    576,779.36x = 865,100.88 × 177,419.36
  4. Step 4: Simplify right side
    576,779.36x = 153,485,644,465.04
  5. Step 5: Solve for x
    x = 153,485,644,465.04/576,779.36
  6. Step 6: Final answer
    x = 266,108.07

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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.