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Finding the Fourth Proportional to 364,603.48, 546,959.91 and 127,904.47

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Solution

The fourth proportional to 364,603.48, 546,959.91 and 127,904.47 is: 191,875.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,603.48 : 546,959.91 = 127,904.47 : x
  2. Step 2: Convert to fraction form
    364,603.48/546,959.91 = 127,904.47/x
  3. Step 3: Cross multiply
    364,603.48x = 546,959.91 × 127,904.47
  4. Step 4: Simplify right side
    364,603.48x = 69,958,617,399.80
  5. Step 5: Solve for x
    x = 69,958,617,399.80/364,603.48
  6. Step 6: Final answer
    x = 191,875.89

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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.