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Finding the Fourth Proportional to 615,473, 849,382.08 and 347,201

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Solution

The fourth proportional to 615,473, 849,382.08 and 347,201 is: 479,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,473 : 849,382.08 = 347,201 : x
  2. Step 2: Convert to fraction form
    615,473/849,382.08 = 347,201/x
  3. Step 3: Cross multiply
    615,473x = 849,382.08 × 347,201
  4. Step 4: Simplify right side
    615,473x = 294,906,307,558.08
  5. Step 5: Solve for x
    x = 294,906,307,558.08/615,473
  6. Step 6: Final answer
    x = 479,153.93

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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.