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Finding the Fourth Proportional to 586,165.44, 808,908.31 and 331,511.16

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Solution

The fourth proportional to 586,165.44, 808,908.31 and 331,511.16 is: 457,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,165.44 : 808,908.31 = 331,511.16 : x
  2. Step 2: Convert to fraction form
    586,165.44/808,908.31 = 331,511.16/x
  3. Step 3: Cross multiply
    586,165.44x = 808,908.31 × 331,511.16
  4. Step 4: Simplify right side
    586,165.44x = 268,162,130,524.18
  5. Step 5: Solve for x
    x = 268,162,130,524.18/586,165.44
  6. Step 6: Final answer
    x = 457,485.40

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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.