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Finding the Fourth Proportional to 679,476.32, 937,653.43 and 373,550.48

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Solution

The fourth proportional to 679,476.32, 937,653.43 and 373,550.48 is: 515,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,476.32 : 937,653.43 = 373,550.48 : x
  2. Step 2: Convert to fraction form
    679,476.32/937,653.43 = 373,550.48/x
  3. Step 3: Cross multiply
    679,476.32x = 937,653.43 × 373,550.48
  4. Step 4: Simplify right side
    679,476.32x = 350,260,882,294.13
  5. Step 5: Solve for x
    x = 350,260,882,294.13/679,476.32
  6. Step 6: Final answer
    x = 515,486.52

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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.