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Finding the Fourth Proportional to 406,121.52, 560,506.32 and 234,006.52

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Solution

The fourth proportional to 406,121.52, 560,506.32 and 234,006.52 is: 322,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,121.52 : 560,506.32 = 234,006.52 : x
  2. Step 2: Convert to fraction form
    406,121.52/560,506.32 = 234,006.52/x
  3. Step 3: Cross multiply
    406,121.52x = 560,506.32 × 234,006.52
  4. Step 4: Simplify right side
    406,121.52x = 131,162,133,381.21
  5. Step 5: Solve for x
    x = 131,162,133,381.21/406,121.52
  6. Step 6: Final answer
    x = 322,962.78

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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.