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Finding the Fourth Proportional to 615,495.64, 849,525.68 and 360,928.84

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Solution

The fourth proportional to 615,495.64, 849,525.68 and 360,928.84 is: 498,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,495.64 : 849,525.68 = 360,928.84 : x
  2. Step 2: Convert to fraction form
    615,495.64/849,525.68 = 360,928.84/x
  3. Step 3: Cross multiply
    615,495.64x = 849,525.68 × 360,928.84
  4. Step 4: Simplify right side
    615,495.64x = 306,618,318,232.61
  5. Step 5: Solve for x
    x = 306,618,318,232.61/615,495.64
  6. Step 6: Final answer
    x = 498,164.89

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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.