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Finding the Fourth Proportional to 401,562.80, 554,174.04 and 240,386.68

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Solution

The fourth proportional to 401,562.80, 554,174.04 and 240,386.68 is: 331,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,562.80 : 554,174.04 = 240,386.68 : x
  2. Step 2: Convert to fraction form
    401,562.80/554,174.04 = 240,386.68/x
  3. Step 3: Cross multiply
    401,562.80x = 554,174.04 × 240,386.68
  4. Step 4: Simplify right side
    401,562.80x = 133,216,057,617.79
  5. Step 5: Solve for x
    x = 133,216,057,617.79/401,562.80
  6. Step 6: Final answer
    x = 331,744.02

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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.