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Finding the Fourth Proportional to 707,561.16, 976,430.24 and 385,270.49

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Solution

The fourth proportional to 707,561.16, 976,430.24 and 385,270.49 is: 531,671.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,561.16 : 976,430.24 = 385,270.49 : x
  2. Step 2: Convert to fraction form
    707,561.16/976,430.24 = 385,270.49/x
  3. Step 3: Cross multiply
    707,561.16x = 976,430.24 × 385,270.49
  4. Step 4: Simplify right side
    707,561.16x = 376,189,757,022.94
  5. Step 5: Solve for x
    x = 376,189,757,022.94/707,561.16
  6. Step 6: Final answer
    x = 531,671.01

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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.