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Finding the Fourth Proportional to 360,862.89, 497,935.31 and 207,871.19

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Solution

The fourth proportional to 360,862.89, 497,935.31 and 207,871.19 is: 286,830.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,862.89 : 497,935.31 = 207,871.19 : x
  2. Step 2: Convert to fraction form
    360,862.89/497,935.31 = 207,871.19/x
  3. Step 3: Cross multiply
    360,862.89x = 497,935.31 × 207,871.19
  4. Step 4: Simplify right side
    360,862.89x = 103,506,406,157.88
  5. Step 5: Solve for x
    x = 103,506,406,157.88/360,862.89
  6. Step 6: Final answer
    x = 286,830.29

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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.