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Finding the Fourth Proportional to 585,841.52, 808,496.16 and 331,216.40

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Solution

The fourth proportional to 585,841.52, 808,496.16 and 331,216.40 is: 457,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,841.52 : 808,496.16 = 331,216.40 : x
  2. Step 2: Convert to fraction form
    585,841.52/808,496.16 = 331,216.40/x
  3. Step 3: Cross multiply
    585,841.52x = 808,496.16 × 331,216.40
  4. Step 4: Simplify right side
    585,841.52x = 267,787,187,529.02
  5. Step 5: Solve for x
    x = 267,787,187,529.02/585,841.52
  6. Step 6: Final answer
    x = 457,098.34

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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.