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Finding the Fourth Proportional to 637,547.63, 879,815.72 and 351,067.03

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Solution

The fourth proportional to 637,547.63, 879,815.72 and 351,067.03 is: 484,472.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,547.63 : 879,815.72 = 351,067.03 : x
  2. Step 2: Convert to fraction form
    637,547.63/879,815.72 = 351,067.03/x
  3. Step 3: Cross multiply
    637,547.63x = 879,815.72 × 351,067.03
  4. Step 4: Simplify right side
    637,547.63x = 308,874,290,445.84
  5. Step 5: Solve for x
    x = 308,874,290,445.84/637,547.63
  6. Step 6: Final answer
    x = 484,472.50

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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.