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Finding the Fourth Proportional to 554,920.56, 832,672.44 and 302,382

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Solution

The fourth proportional to 554,920.56, 832,672.44 and 302,382 is: 453,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,920.56 : 832,672.44 = 302,382 : x
  2. Step 2: Convert to fraction form
    554,920.56/832,672.44 = 302,382/x
  3. Step 3: Cross multiply
    554,920.56x = 832,672.44 × 302,382
  4. Step 4: Simplify right side
    554,920.56x = 251,785,157,752.08
  5. Step 5: Solve for x
    x = 251,785,157,752.08/554,920.56
  6. Step 6: Final answer
    x = 453,731.90

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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.