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Finding the Fourth Proportional to 338,157.68, 507,320.76 and 101,504.72

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Solution

The fourth proportional to 338,157.68, 507,320.76 and 101,504.72 is: 152,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,157.68 : 507,320.76 = 101,504.72 : x
  2. Step 2: Convert to fraction form
    338,157.68/507,320.76 = 101,504.72/x
  3. Step 3: Cross multiply
    338,157.68x = 507,320.76 × 101,504.72
  4. Step 4: Simplify right side
    338,157.68x = 51,495,451,693.99
  5. Step 5: Solve for x
    x = 51,495,451,693.99/338,157.68
  6. Step 6: Final answer
    x = 152,282.37

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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.