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Finding the Fourth Proportional to 672,012.07, 927,376.24 and 370,206.07

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Solution

The fourth proportional to 672,012.07, 927,376.24 and 370,206.07 is: 510,884.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,012.07 : 927,376.24 = 370,206.07 : x
  2. Step 2: Convert to fraction form
    672,012.07/927,376.24 = 370,206.07/x
  3. Step 3: Cross multiply
    672,012.07x = 927,376.24 × 370,206.07
  4. Step 4: Simplify right side
    672,012.07x = 343,320,313,221.78
  5. Step 5: Solve for x
    x = 343,320,313,221.78/672,012.07
  6. Step 6: Final answer
    x = 510,884.15

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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.