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Finding the Fourth Proportional to 338,560.02, 507,798.50 and 196,482.59

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Solution

The fourth proportional to 338,560.02, 507,798.50 and 196,482.59 is: 294,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,560.02 : 507,798.50 = 196,482.59 : x
  2. Step 2: Convert to fraction form
    338,560.02/507,798.50 = 196,482.59/x
  3. Step 3: Cross multiply
    338,560.02x = 507,798.50 × 196,482.59
  4. Step 4: Simplify right side
    338,560.02x = 99,773,563,366.90
  5. Step 5: Solve for x
    x = 99,773,563,366.90/338,560.02
  6. Step 6: Final answer
    x = 294,699.78

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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.