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Finding the Fourth Proportional to 284,429.65, 426,768.93 and 134,776.75

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Solution

The fourth proportional to 284,429.65, 426,768.93 and 134,776.75 is: 202,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,429.65 : 426,768.93 = 134,776.75 : x
  2. Step 2: Convert to fraction form
    284,429.65/426,768.93 = 134,776.75/x
  3. Step 3: Cross multiply
    284,429.65x = 426,768.93 × 134,776.75
  4. Step 4: Simplify right side
    284,429.65x = 57,518,529,386.38
  5. Step 5: Solve for x
    x = 57,518,529,386.38/284,429.65
  6. Step 6: Final answer
    x = 202,224.10

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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.