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Finding the Fourth Proportional to 411,062.76, 567,109.12 and 249,858.98

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Solution

The fourth proportional to 411,062.76, 567,109.12 and 249,858.98 is: 344,709.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,062.76 : 567,109.12 = 249,858.98 : x
  2. Step 2: Convert to fraction form
    411,062.76/567,109.12 = 249,858.98/x
  3. Step 3: Cross multiply
    411,062.76x = 567,109.12 × 249,858.98
  4. Step 4: Simplify right side
    411,062.76x = 141,697,306,271.90
  5. Step 5: Solve for x
    x = 141,697,306,271.90/411,062.76
  6. Step 6: Final answer
    x = 344,709.66

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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.