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Finding the Fourth Proportional to 503,935.68, 695,166.48 and 299,841.60

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Solution

The fourth proportional to 503,935.68, 695,166.48 and 299,841.60 is: 413,623.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,935.68 : 695,166.48 = 299,841.60 : x
  2. Step 2: Convert to fraction form
    503,935.68/695,166.48 = 299,841.60/x
  3. Step 3: Cross multiply
    503,935.68x = 695,166.48 × 299,841.60
  4. Step 4: Simplify right side
    503,935.68x = 208,439,829,629.57
  5. Step 5: Solve for x
    x = 208,439,829,629.57/503,935.68
  6. Step 6: Final answer
    x = 413,623.88

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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.