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Finding the Fourth Proportional to 707,265.90, 976,052.69 and 384,960.42

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Solution

The fourth proportional to 707,265.90, 976,052.69 and 384,960.42 is: 531,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,265.90 : 976,052.69 = 384,960.42 : x
  2. Step 2: Convert to fraction form
    707,265.90/976,052.69 = 384,960.42/x
  3. Step 3: Cross multiply
    707,265.90x = 976,052.69 × 384,960.42
  4. Step 4: Simplify right side
    707,265.90x = 375,741,653,484.53
  5. Step 5: Solve for x
    x = 375,741,653,484.53/707,265.90
  6. Step 6: Final answer
    x = 531,259.39

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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.