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Finding the Fourth Proportional to 539,994.42, 745,177.98 and 298,271.82

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Solution

The fourth proportional to 539,994.42, 745,177.98 and 298,271.82 is: 411,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,994.42 : 745,177.98 = 298,271.82 : x
  2. Step 2: Convert to fraction form
    539,994.42/745,177.98 = 298,271.82/x
  3. Step 3: Cross multiply
    539,994.42x = 745,177.98 × 298,271.82
  4. Step 4: Simplify right side
    539,994.42x = 222,265,592,318.52
  5. Step 5: Solve for x
    x = 222,265,592,318.52/539,994.42
  6. Step 6: Final answer
    x = 411,607.20

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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.