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Finding the Fourth Proportional to 536,729.92, 740,574.24 and 298,260.80

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Solution

The fourth proportional to 536,729.92, 740,574.24 and 298,260.80 is: 411,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,729.92 : 740,574.24 = 298,260.80 : x
  2. Step 2: Convert to fraction form
    536,729.92/740,574.24 = 298,260.80/x
  3. Step 3: Cross multiply
    536,729.92x = 740,574.24 × 298,260.80
  4. Step 4: Simplify right side
    536,729.92x = 220,884,265,281.79
  5. Step 5: Solve for x
    x = 220,884,265,281.79/536,729.92
  6. Step 6: Final answer
    x = 411,537.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.