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Finding the Fourth Proportional to 615,464.46, 849,482.66 and 360,897.66

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Solution

The fourth proportional to 615,464.46, 849,482.66 and 360,897.66 is: 498,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,464.46 : 849,482.66 = 360,897.66 : x
  2. Step 2: Convert to fraction form
    615,464.46/849,482.66 = 360,897.66/x
  3. Step 3: Cross multiply
    615,464.46x = 849,482.66 × 360,897.66
  4. Step 4: Simplify right side
    615,464.46x = 306,576,305,106.82
  5. Step 5: Solve for x
    x = 306,576,305,106.82/615,464.46
  6. Step 6: Final answer
    x = 498,121.87

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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.