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Finding the Fourth Proportional to 350,043.10, 525,064.65 and 266,062.30

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Solution

The fourth proportional to 350,043.10, 525,064.65 and 266,062.30 is: 399,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,043.10 : 525,064.65 = 266,062.30 : x
  2. Step 2: Convert to fraction form
    350,043.10/525,064.65 = 266,062.30/x
  3. Step 3: Cross multiply
    350,043.10x = 525,064.65 × 266,062.30
  4. Step 4: Simplify right side
    350,043.10x = 139,699,908,427.70
  5. Step 5: Solve for x
    x = 139,699,908,427.70/350,043.10
  6. Step 6: Final answer
    x = 399,093.45

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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.