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Finding the Fourth Proportional to 464,547.58, 696,819.96 and 127,588.53

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Solution

The fourth proportional to 464,547.58, 696,819.96 and 127,588.53 is: 191,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,547.58 : 696,819.96 = 127,588.53 : x
  2. Step 2: Convert to fraction form
    464,547.58/696,819.96 = 127,588.53/x
  3. Step 3: Cross multiply
    464,547.58x = 696,819.96 × 127,588.53
  4. Step 4: Simplify right side
    464,547.58x = 88,906,234,371.06
  5. Step 5: Solve for x
    x = 88,906,234,371.06/464,547.58
  6. Step 6: Final answer
    x = 191,382.41

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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.