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Finding the Fourth Proportional to 536,537.61, 740,407.05 and 294,820.11

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Solution

The fourth proportional to 536,537.61, 740,407.05 and 294,820.11 is: 406,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,537.61 : 740,407.05 = 294,820.11 : x
  2. Step 2: Convert to fraction form
    536,537.61/740,407.05 = 294,820.11/x
  3. Step 3: Cross multiply
    536,537.61x = 740,407.05 × 294,820.11
  4. Step 4: Simplify right side
    536,537.61x = 218,286,887,925.78
  5. Step 5: Solve for x
    x = 218,286,887,925.78/536,537.61
  6. Step 6: Final answer
    x = 406,843.59

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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.