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Finding the Fourth Proportional to 440,638.88, 608,032.30 and 249,611.36

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Solution

The fourth proportional to 440,638.88, 608,032.30 and 249,611.36 is: 344,435.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,638.88 : 608,032.30 = 249,611.36 : x
  2. Step 2: Convert to fraction form
    440,638.88/608,032.30 = 249,611.36/x
  3. Step 3: Cross multiply
    440,638.88x = 608,032.30 × 249,611.36
  4. Step 4: Simplify right side
    440,638.88x = 151,771,769,326.93
  5. Step 5: Solve for x
    x = 151,771,769,326.93/440,638.88
  6. Step 6: Final answer
    x = 344,435.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.