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Finding the Fourth Proportional to 708,101, 1,062,150.47 and 328,814.32

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Solution

The fourth proportional to 708,101, 1,062,150.47 and 328,814.32 is: 493,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,101 : 1,062,150.47 = 328,814.32 : x
  2. Step 2: Convert to fraction form
    708,101/1,062,150.47 = 328,814.32/x
  3. Step 3: Cross multiply
    708,101x = 1,062,150.47 × 328,814.32
  4. Step 4: Simplify right side
    708,101x = 349,250,284,530.73
  5. Step 5: Solve for x
    x = 349,250,284,530.73/708,101
  6. Step 6: Final answer
    x = 493,221.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.