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Finding the Fourth Proportional to 536,730.42, 740,574.93 and 298,261.30

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Solution

The fourth proportional to 536,730.42, 740,574.93 and 298,261.30 is: 411,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,730.42 : 740,574.93 = 298,261.30 : x
  2. Step 2: Convert to fraction form
    536,730.42/740,574.93 = 298,261.30/x
  3. Step 3: Cross multiply
    536,730.42x = 740,574.93 × 298,261.30
  4. Step 4: Simplify right side
    536,730.42x = 220,884,841,369.21
  5. Step 5: Solve for x
    x = 220,884,841,369.21/536,730.42
  6. Step 6: Final answer
    x = 411,537.77

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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.