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Finding the Fourth Proportional to 604,012.61, 906,128.28 and 248,829.25

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Solution

The fourth proportional to 604,012.61, 906,128.28 and 248,829.25 is: 373,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,012.61 : 906,128.28 = 248,829.25 : x
  2. Step 2: Convert to fraction form
    604,012.61/906,128.28 = 248,829.25/x
  3. Step 3: Cross multiply
    604,012.61x = 906,128.28 × 248,829.25
  4. Step 4: Simplify right side
    604,012.61x = 225,471,219,072.04
  5. Step 5: Solve for x
    x = 225,471,219,072.04/604,012.61
  6. Step 6: Final answer
    x = 373,288.93

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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.