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Finding the Fourth Proportional to 615,488.93, 849,516.44 and 360,922.13

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Solution

The fourth proportional to 615,488.93, 849,516.44 and 360,922.13 is: 498,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,488.93 : 849,516.44 = 360,922.13 : x
  2. Step 2: Convert to fraction form
    615,488.93/849,516.44 = 360,922.13/x
  3. Step 3: Cross multiply
    615,488.93x = 849,516.44 × 360,922.13
  4. Step 4: Simplify right side
    615,488.93x = 306,609,276,942.62
  5. Step 5: Solve for x
    x = 306,609,276,942.62/615,488.93
  6. Step 6: Final answer
    x = 498,155.64

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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.