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Finding the Fourth Proportional to 630,464.31, 946,339.79 and 461,482.70

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Solution

The fourth proportional to 630,464.31, 946,339.79 and 461,482.70 is: 692,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,464.31 : 946,339.79 = 461,482.70 : x
  2. Step 2: Convert to fraction form
    630,464.31/946,339.79 = 461,482.70/x
  3. Step 3: Cross multiply
    630,464.31x = 946,339.79 × 461,482.70
  4. Step 4: Simplify right side
    630,464.31x = 436,719,434,367.52
  5. Step 5: Solve for x
    x = 436,719,434,367.52/630,464.31
  6. Step 6: Final answer
    x = 692,694.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.