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Finding the Fourth Proportional to 361,518.93, 498,925.98 and 200,424.51

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Solution

The fourth proportional to 361,518.93, 498,925.98 and 200,424.51 is: 276,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,518.93 : 498,925.98 = 200,424.51 : x
  2. Step 2: Convert to fraction form
    361,518.93/498,925.98 = 200,424.51/x
  3. Step 3: Cross multiply
    361,518.93x = 498,925.98 × 200,424.51
  4. Step 4: Simplify right side
    361,518.93x = 99,996,995,067.77
  5. Step 5: Solve for x
    x = 99,996,995,067.77/361,518.93
  6. Step 6: Final answer
    x = 276,602.38

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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.