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Finding the Fourth Proportional to 586,164.25, 808,906.67 and 331,509.97

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Solution

The fourth proportional to 586,164.25, 808,906.67 and 331,509.97 is: 457,483.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,164.25 : 808,906.67 = 331,509.97 : x
  2. Step 2: Convert to fraction form
    586,164.25/808,906.67 = 331,509.97/x
  3. Step 3: Cross multiply
    586,164.25x = 808,906.67 × 331,509.97
  4. Step 4: Simplify right side
    586,164.25x = 268,160,625,904.50
  5. Step 5: Solve for x
    x = 268,160,625,904.50/586,164.25
  6. Step 6: Final answer
    x = 457,483.76

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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.