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Finding the Fourth Proportional to 536,663.19, 804,986.40 and 137,300.52

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Solution

The fourth proportional to 536,663.19, 804,986.40 and 137,300.52 is: 205,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,663.19 : 804,986.40 = 137,300.52 : x
  2. Step 2: Convert to fraction form
    536,663.19/804,986.40 = 137,300.52/x
  3. Step 3: Cross multiply
    536,663.19x = 804,986.40 × 137,300.52
  4. Step 4: Simplify right side
    536,663.19x = 110,525,051,312.93
  5. Step 5: Solve for x
    x = 110,525,051,312.93/536,663.19
  6. Step 6: Final answer
    x = 205,948.63

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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.