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Finding the Fourth Proportional to 439,008.84, 658,605.06 and 249,556.32

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Solution

The fourth proportional to 439,008.84, 658,605.06 and 249,556.32 is: 374,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,008.84 : 658,605.06 = 249,556.32 : x
  2. Step 2: Convert to fraction form
    439,008.84/658,605.06 = 249,556.32/x
  3. Step 3: Cross multiply
    439,008.84x = 658,605.06 × 249,556.32
  4. Step 4: Simplify right side
    439,008.84x = 164,359,055,106.98
  5. Step 5: Solve for x
    x = 164,359,055,106.98/439,008.84
  6. Step 6: Final answer
    x = 374,386.66

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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.