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Finding the Fourth Proportional to 536,680.55, 740,587.82 and 294,963.30

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Solution

The fourth proportional to 536,680.55, 740,587.82 and 294,963.30 is: 407,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,680.55 : 740,587.82 = 294,963.30 : x
  2. Step 2: Convert to fraction form
    536,680.55/740,587.82 = 294,963.30/x
  3. Step 3: Cross multiply
    536,680.55x = 740,587.82 × 294,963.30
  4. Step 4: Simplify right side
    536,680.55x = 218,446,225,852.19
  5. Step 5: Solve for x
    x = 218,446,225,852.19/536,680.55
  6. Step 6: Final answer
    x = 407,032.13

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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.