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Finding the Fourth Proportional to 637,851.97, 957,368.45 and 322,530.31

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Solution

The fourth proportional to 637,851.97, 957,368.45 and 322,530.31 is: 484,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,851.97 : 957,368.45 = 322,530.31 : x
  2. Step 2: Convert to fraction form
    637,851.97/957,368.45 = 322,530.31/x
  3. Step 3: Cross multiply
    637,851.97x = 957,368.45 × 322,530.31
  4. Step 4: Simplify right side
    637,851.97x = 308,780,342,962.72
  5. Step 5: Solve for x
    x = 308,780,342,962.72/637,851.97
  6. Step 6: Final answer
    x = 484,094.05

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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.