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Finding the Fourth Proportional to 585,968.72, 808,652.76 and 331,358

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Solution

The fourth proportional to 585,968.72, 808,652.76 and 331,358 is: 457,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,968.72 : 808,652.76 = 331,358 : x
  2. Step 2: Convert to fraction form
    585,968.72/808,652.76 = 331,358/x
  3. Step 3: Cross multiply
    585,968.72x = 808,652.76 × 331,358
  4. Step 4: Simplify right side
    585,968.72x = 267,953,561,248.08
  5. Step 5: Solve for x
    x = 267,953,561,248.08/585,968.72
  6. Step 6: Final answer
    x = 457,283.05

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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.