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Finding the Fourth Proportional to 503,543.42, 755,428.93 and 166,583.28

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Solution

The fourth proportional to 503,543.42, 755,428.93 and 166,583.28 is: 249,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,543.42 : 755,428.93 = 166,583.28 : x
  2. Step 2: Convert to fraction form
    503,543.42/755,428.93 = 166,583.28/x
  3. Step 3: Cross multiply
    503,543.42x = 755,428.93 × 166,583.28
  4. Step 4: Simplify right side
    503,543.42x = 125,841,826,485.11
  5. Step 5: Solve for x
    x = 125,841,826,485.11/503,543.42
  6. Step 6: Final answer
    x = 249,912.56

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1.5x scale

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.