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Finding the Fourth Proportional to 604,405.28, 906,272.04 and 249,659.84

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Solution

The fourth proportional to 604,405.28, 906,272.04 and 249,659.84 is: 374,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,405.28 : 906,272.04 = 249,659.84 : x
  2. Step 2: Convert to fraction form
    604,405.28/906,272.04 = 249,659.84/x
  3. Step 3: Cross multiply
    604,405.28x = 906,272.04 × 249,659.84
  4. Step 4: Simplify right side
    604,405.28x = 226,259,732,502.87
  5. Step 5: Solve for x
    x = 226,259,732,502.87/604,405.28
  6. Step 6: Final answer
    x = 374,351.02

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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.