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Finding the Fourth Proportional to 577,923.40, 797,185.56 and 381,691.08

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Solution

The fourth proportional to 577,923.40, 797,185.56 and 381,691.08 is: 526,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,923.40 : 797,185.56 = 381,691.08 : x
  2. Step 2: Convert to fraction form
    577,923.40/797,185.56 = 381,691.08/x
  3. Step 3: Cross multiply
    577,923.40x = 797,185.56 × 381,691.08
  4. Step 4: Simplify right side
    577,923.40x = 304,278,617,356.81
  5. Step 5: Solve for x
    x = 304,278,617,356.81/577,923.40
  6. Step 6: Final answer
    x = 526,503.37

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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.