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Finding the Fourth Proportional to 401,752.04, 554,426.17 and 220,453.38

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Solution

The fourth proportional to 401,752.04, 554,426.17 and 220,453.38 is: 304,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,752.04 : 554,426.17 = 220,453.38 : x
  2. Step 2: Convert to fraction form
    401,752.04/554,426.17 = 220,453.38/x
  3. Step 3: Cross multiply
    401,752.04x = 554,426.17 × 220,453.38
  4. Step 4: Simplify right side
    401,752.04x = 122,225,122,585.82
  5. Step 5: Solve for x
    x = 122,225,122,585.82/401,752.04
  6. Step 6: Final answer
    x = 304,230.25

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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.