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Finding the Fourth Proportional to 672,316.59, 927,796.92 and 370,510.59

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Solution

The fourth proportional to 672,316.59, 927,796.92 and 370,510.59 is: 511,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,316.59 : 927,796.92 = 370,510.59 : x
  2. Step 2: Convert to fraction form
    672,316.59/927,796.92 = 370,510.59/x
  3. Step 3: Cross multiply
    672,316.59x = 927,796.92 × 370,510.59
  4. Step 4: Simplify right side
    672,316.59x = 343,758,584,229.38
  5. Step 5: Solve for x
    x = 343,758,584,229.38/672,316.59
  6. Step 6: Final answer
    x = 511,304.63

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Double scale
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Similar ratio
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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.