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Finding the Fourth Proportional to 361,359.49, 542,535.77 and 183,985.69

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Solution

The fourth proportional to 361,359.49, 542,535.77 and 183,985.69 is: 276,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,359.49 : 542,535.77 = 183,985.69 : x
  2. Step 2: Convert to fraction form
    361,359.49/542,535.77 = 183,985.69/x
  3. Step 3: Cross multiply
    361,359.49x = 542,535.77 × 183,985.69
  4. Step 4: Simplify right side
    361,359.49x = 99,818,817,993.13
  5. Step 5: Solve for x
    x = 99,818,817,993.13/361,359.49
  6. Step 6: Final answer
    x = 276,231.35

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1.5x scale

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.