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Finding the Fourth Proportional to 672,017.33, 927,383.90 and 370,211.33

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Solution

The fourth proportional to 672,017.33, 927,383.90 and 370,211.33 is: 510,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,017.33 : 927,383.90 = 370,211.33 : x
  2. Step 2: Convert to fraction form
    672,017.33/927,383.90 = 370,211.33/x
  3. Step 3: Cross multiply
    672,017.33x = 927,383.90 × 370,211.33
  4. Step 4: Simplify right side
    672,017.33x = 343,328,020,551.61
  5. Step 5: Solve for x
    x = 343,328,020,551.61/672,017.33
  6. Step 6: Final answer
    x = 510,891.62

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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.