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Finding the Fourth Proportional to 586,001.50, 808,682.07 and 317,729.50

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Solution

The fourth proportional to 586,001.50, 808,682.07 and 317,729.50 is: 438,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,001.50 : 808,682.07 = 317,729.50 : x
  2. Step 2: Convert to fraction form
    586,001.50/808,682.07 = 317,729.50/x
  3. Step 3: Cross multiply
    586,001.50x = 808,682.07 × 317,729.50
  4. Step 4: Simplify right side
    586,001.50x = 256,942,149,760.07
  5. Step 5: Solve for x
    x = 256,942,149,760.07/586,001.50
  6. Step 6: Final answer
    x = 438,466.71

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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.