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Finding the Fourth Proportional to 329,617.68, 454,869.86 and 186,382.82

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Solution

The fourth proportional to 329,617.68, 454,869.86 and 186,382.82 is: 257,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,617.68 : 454,869.86 = 186,382.82 : x
  2. Step 2: Convert to fraction form
    329,617.68/454,869.86 = 186,382.82/x
  3. Step 3: Cross multiply
    329,617.68x = 454,869.86 × 186,382.82
  4. Step 4: Simplify right side
    329,617.68x = 84,779,927,239.81
  5. Step 5: Solve for x
    x = 84,779,927,239.81/329,617.68
  6. Step 6: Final answer
    x = 257,206.86

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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.