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Finding the Fourth Proportional to 526,693.63, 726,759.28 and 319,854.46

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Solution

The fourth proportional to 526,693.63, 726,759.28 and 319,854.46 is: 441,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,693.63 : 726,759.28 = 319,854.46 : x
  2. Step 2: Convert to fraction form
    526,693.63/726,759.28 = 319,854.46/x
  3. Step 3: Cross multiply
    526,693.63x = 726,759.28 × 319,854.46
  4. Step 4: Simplify right side
    526,693.63x = 232,457,197,054.39
  5. Step 5: Solve for x
    x = 232,457,197,054.39/526,693.63
  6. Step 6: Final answer
    x = 441,351.83

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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.