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Finding the Fourth Proportional to 633,502.88, 873,533.46 and 403,696.16

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Solution

The fourth proportional to 633,502.88, 873,533.46 and 403,696.16 is: 556,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,502.88 : 873,533.46 = 403,696.16 : x
  2. Step 2: Convert to fraction form
    633,502.88/873,533.46 = 403,696.16/x
  3. Step 3: Cross multiply
    633,502.88x = 873,533.46 × 403,696.16
  4. Step 4: Simplify right side
    633,502.88x = 352,642,103,433.51
  5. Step 5: Solve for x
    x = 352,642,103,433.51/633,502.88
  6. Step 6: Final answer
    x = 556,654.30

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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.