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Finding the Fourth Proportional to 468,280.80, 702,423.02 and 113,294.24

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Solution

The fourth proportional to 468,280.80, 702,423.02 and 113,294.24 is: 169,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,280.80 : 702,423.02 = 113,294.24 : x
  2. Step 2: Convert to fraction form
    468,280.80/702,423.02 = 113,294.24/x
  3. Step 3: Cross multiply
    468,280.80x = 702,423.02 × 113,294.24
  4. Step 4: Simplify right side
    468,280.80x = 79,580,482,209.40
  5. Step 5: Solve for x
    x = 79,580,482,209.40/468,280.80
  6. Step 6: Final answer
    x = 169,941.80

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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.