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Finding the Fourth Proportional to 482,323.64, 665,646.53 and 267,533.10

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Solution

The fourth proportional to 482,323.64, 665,646.53 and 267,533.10 is: 369,217.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,323.64 : 665,646.53 = 267,533.10 : x
  2. Step 2: Convert to fraction form
    482,323.64/665,646.53 = 267,533.10/x
  3. Step 3: Cross multiply
    482,323.64x = 665,646.53 × 267,533.10
  4. Step 4: Simplify right side
    482,323.64x = 178,082,478,337.48
  5. Step 5: Solve for x
    x = 178,082,478,337.48/482,323.64
  6. Step 6: Final answer
    x = 369,217.81

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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.