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Finding the Fourth Proportional to 615,222.18, 849,005.46 and 343,273.68

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Solution

The fourth proportional to 615,222.18, 849,005.46 and 343,273.68 is: 473,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,222.18 : 849,005.46 = 343,273.68 : x
  2. Step 2: Convert to fraction form
    615,222.18/849,005.46 = 343,273.68/x
  3. Step 3: Cross multiply
    615,222.18x = 849,005.46 × 343,273.68
  4. Step 4: Simplify right side
    615,222.18x = 291,441,228,594.29
  5. Step 5: Solve for x
    x = 291,441,228,594.29/615,222.18
  6. Step 6: Final answer
    x = 473,717.04

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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.