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Finding the Fourth Proportional to 804,479.40, 1,206,881.10 and 235,859.40

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Solution

The fourth proportional to 804,479.40, 1,206,881.10 and 235,859.40 is: 353,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,479.40 : 1,206,881.10 = 235,859.40 : x
  2. Step 2: Convert to fraction form
    804,479.40/1,206,881.10 = 235,859.40/x
  3. Step 3: Cross multiply
    804,479.40x = 1,206,881.10 × 235,859.40
  4. Step 4: Simplify right side
    804,479.40x = 284,654,252,117.34
  5. Step 5: Solve for x
    x = 284,654,252,117.34/804,479.40
  6. Step 6: Final answer
    x = 353,836.60

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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.