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Finding the Fourth Proportional to 435,639.16, 601,174.46 and 242,048.65

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Solution

The fourth proportional to 435,639.16, 601,174.46 and 242,048.65 is: 334,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,639.16 : 601,174.46 = 242,048.65 : x
  2. Step 2: Convert to fraction form
    435,639.16/601,174.46 = 242,048.65/x
  3. Step 3: Cross multiply
    435,639.16x = 601,174.46 × 242,048.65
  4. Step 4: Simplify right side
    435,639.16x = 145,513,466,457.48
  5. Step 5: Solve for x
    x = 145,513,466,457.48/435,639.16
  6. Step 6: Final answer
    x = 334,022.92

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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.