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Finding the Fourth Proportional to 576,603.47, 864,987.75 and 177,277.77

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Solution

The fourth proportional to 576,603.47, 864,987.75 and 177,277.77 is: 265,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,603.47 : 864,987.75 = 177,277.77 : x
  2. Step 2: Convert to fraction form
    576,603.47/864,987.75 = 177,277.77/x
  3. Step 3: Cross multiply
    576,603.47x = 864,987.75 × 177,277.77
  4. Step 4: Simplify right side
    576,603.47x = 153,343,099,397.32
  5. Step 5: Solve for x
    x = 153,343,099,397.32/576,603.47
  6. Step 6: Final answer
    x = 265,942.03

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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.