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Finding the Fourth Proportional to 536,259.76, 740,044.55 and 294,548.00

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Solution

The fourth proportional to 536,259.76, 740,044.55 and 294,548.00 is: 406,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,259.76 : 740,044.55 = 294,548.00 : x
  2. Step 2: Convert to fraction form
    536,259.76/740,044.55 = 294,548.00/x
  3. Step 3: Cross multiply
    536,259.76x = 740,044.55 × 294,548.00
  4. Step 4: Simplify right side
    536,259.76x = 217,978,639,149.55
  5. Step 5: Solve for x
    x = 217,978,639,149.55/536,259.76
  6. Step 6: Final answer
    x = 406,479.58

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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.