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Finding the Fourth Proportional to 284,339.07, 392,474.79 and 175,476.69

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Solution

The fourth proportional to 284,339.07, 392,474.79 and 175,476.69 is: 242,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,339.07 : 392,474.79 = 175,476.69 : x
  2. Step 2: Convert to fraction form
    284,339.07/392,474.79 = 175,476.69/x
  3. Step 3: Cross multiply
    284,339.07x = 392,474.79 × 175,476.69
  4. Step 4: Simplify right side
    284,339.07x = 68,870,177,057.65
  5. Step 5: Solve for x
    x = 68,870,177,057.65/284,339.07
  6. Step 6: Final answer
    x = 242,211.45

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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.