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Finding the Fourth Proportional to 536,613.16, 740,529.68 and 294,915.64

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Solution

The fourth proportional to 536,613.16, 740,529.68 and 294,915.64 is: 406,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,613.16 : 740,529.68 = 294,915.64 : x
  2. Step 2: Convert to fraction form
    536,613.16/740,529.68 = 294,915.64/x
  3. Step 3: Cross multiply
    536,613.16x = 740,529.68 × 294,915.64
  4. Step 4: Simplify right side
    536,613.16x = 218,393,784,516.20
  5. Step 5: Solve for x
    x = 218,393,784,516.20/536,613.16
  6. Step 6: Final answer
    x = 406,985.52

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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.