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Finding the Fourth Proportional to 424,812.92, 637,219.32 and 175,501.40

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Solution

The fourth proportional to 424,812.92, 637,219.32 and 175,501.40 is: 263,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,812.92 : 637,219.32 = 175,501.40 : x
  2. Step 2: Convert to fraction form
    424,812.92/637,219.32 = 175,501.40/x
  3. Step 3: Cross multiply
    424,812.92x = 637,219.32 × 175,501.40
  4. Step 4: Simplify right side
    424,812.92x = 111,832,882,767.05
  5. Step 5: Solve for x
    x = 111,832,882,767.05/424,812.92
  6. Step 6: Final answer
    x = 263,252.08

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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.