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Finding the Fourth Proportional to 345,250.62, 476,316.90 and 344,718.42

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Solution

The fourth proportional to 345,250.62, 476,316.90 and 344,718.42 is: 475,582.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,250.62 : 476,316.90 = 344,718.42 : x
  2. Step 2: Convert to fraction form
    345,250.62/476,316.90 = 344,718.42/x
  3. Step 3: Cross multiply
    345,250.62x = 476,316.90 × 344,718.42
  4. Step 4: Simplify right side
    345,250.62x = 164,195,209,187.30
  5. Step 5: Solve for x
    x = 164,195,209,187.30/345,250.62
  6. Step 6: Final answer
    x = 475,582.66

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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.