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Finding the Fourth Proportional to 284,339.46, 392,475.30 and 175,477.08

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Solution

The fourth proportional to 284,339.46, 392,475.30 and 175,477.08 is: 242,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,339.46 : 392,475.30 = 175,477.08 : x
  2. Step 2: Convert to fraction form
    284,339.46/392,475.30 = 175,477.08/x
  3. Step 3: Cross multiply
    284,339.46x = 392,475.30 × 175,477.08
  4. Step 4: Simplify right side
    284,339.46x = 68,870,419,616.12
  5. Step 5: Solve for x
    x = 68,870,419,616.12/284,339.46
  6. Step 6: Final answer
    x = 242,211.97

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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.