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Finding the Fourth Proportional to 536,407.92, 740,239.86 and 294,685.29

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Solution

The fourth proportional to 536,407.92, 740,239.86 and 294,685.29 is: 406,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,407.92 : 740,239.86 = 294,685.29 : x
  2. Step 2: Convert to fraction form
    536,407.92/740,239.86 = 294,685.29/x
  3. Step 3: Cross multiply
    536,407.92x = 740,239.86 × 294,685.29
  4. Step 4: Simplify right side
    536,407.92x = 218,137,798,918.73
  5. Step 5: Solve for x
    x = 218,137,798,918.73/536,407.92
  6. Step 6: Final answer
    x = 406,664.02

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1.5x scale

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.