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Finding the Fourth Proportional to 672,000.74, 927,360.62 and 370,194.74

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Solution

The fourth proportional to 672,000.74, 927,360.62 and 370,194.74 is: 510,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,000.74 : 927,360.62 = 370,194.74 : x
  2. Step 2: Convert to fraction form
    672,000.74/927,360.62 = 370,194.74/x
  3. Step 3: Cross multiply
    672,000.74x = 927,360.62 × 370,194.74
  4. Step 4: Simplify right side
    672,000.74x = 343,304,017,119.36
  5. Step 5: Solve for x
    x = 343,304,017,119.36/672,000.74
  6. Step 6: Final answer
    x = 510,868.51

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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.