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Finding the Fourth Proportional to 672,315.73, 927,795.71 and 370,509.73

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Solution

The fourth proportional to 672,315.73, 927,795.71 and 370,509.73 is: 511,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,315.73 : 927,795.71 = 370,509.73 : x
  2. Step 2: Convert to fraction form
    672,315.73/927,795.71 = 370,509.73/x
  3. Step 3: Cross multiply
    672,315.73x = 927,795.71 × 370,509.73
  4. Step 4: Simplify right side
    672,315.73x = 343,757,336,614.04
  5. Step 5: Solve for x
    x = 343,757,336,614.04/672,315.73
  6. Step 6: Final answer
    x = 511,303.43

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Double scale
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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.