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Finding the Fourth Proportional to 401,773.66, 554,407.29 and 240,624.58

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Solution

The fourth proportional to 401,773.66, 554,407.29 and 240,624.58 is: 332,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,773.66 : 554,407.29 = 240,624.58 : x
  2. Step 2: Convert to fraction form
    401,773.66/554,407.29 = 240,624.58/x
  3. Step 3: Cross multiply
    401,773.66x = 554,407.29 × 240,624.58
  4. Step 4: Simplify right side
    401,773.66x = 133,404,021,305.19
  5. Step 5: Solve for x
    x = 133,404,021,305.19/401,773.66
  6. Step 6: Final answer
    x = 332,037.75

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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.