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Finding the Fourth Proportional to 439,138.51, 658,259.06 and 249,197.77

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Solution

The fourth proportional to 439,138.51, 658,259.06 and 249,197.77 is: 373,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,138.51 : 658,259.06 = 249,197.77 : x
  2. Step 2: Convert to fraction form
    439,138.51/658,259.06 = 249,197.77/x
  3. Step 3: Cross multiply
    439,138.51x = 658,259.06 × 249,197.77
  4. Step 4: Simplify right side
    439,138.51x = 164,036,685,708.42
  5. Step 5: Solve for x
    x = 164,036,685,708.42/439,138.51
  6. Step 6: Final answer
    x = 373,542.02

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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.