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Finding the Fourth Proportional to 453,334.80, 679,807.80 and 228,608.40

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Solution

The fourth proportional to 453,334.80, 679,807.80 and 228,608.40 is: 342,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,334.80 : 679,807.80 = 228,608.40 : x
  2. Step 2: Convert to fraction form
    453,334.80/679,807.80 = 228,608.40/x
  3. Step 3: Cross multiply
    453,334.80x = 679,807.80 × 228,608.40
  4. Step 4: Simplify right side
    453,334.80x = 155,409,773,465.52
  5. Step 5: Solve for x
    x = 155,409,773,465.52/453,334.80
  6. Step 6: Final answer
    x = 342,814.57

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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.