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Finding the Fourth Proportional to 266,423.70, 366,916.29 and 260,617.62

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Solution

The fourth proportional to 266,423.70, 366,916.29 and 260,617.62 is: 358,920.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,423.70 : 366,916.29 = 260,617.62 : x
  2. Step 2: Convert to fraction form
    266,423.70/366,916.29 = 260,617.62/x
  3. Step 3: Cross multiply
    266,423.70x = 366,916.29 × 260,617.62
  4. Step 4: Simplify right side
    266,423.70x = 95,624,850,239.03
  5. Step 5: Solve for x
    x = 95,624,850,239.03/266,423.70
  6. Step 6: Final answer
    x = 358,920.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.