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Finding the Fourth Proportional to 707,264.90, 976,051.32 and 384,959.42

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Solution

The fourth proportional to 707,264.90, 976,051.32 and 384,959.42 is: 531,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,264.90 : 976,051.32 = 384,959.42 : x
  2. Step 2: Convert to fraction form
    707,264.90/976,051.32 = 384,959.42/x
  3. Step 3: Cross multiply
    707,264.90x = 976,051.32 × 384,959.42
  4. Step 4: Simplify right side
    707,264.90x = 375,740,150,037.43
  5. Step 5: Solve for x
    x = 375,740,150,037.43/707,264.90
  6. Step 6: Final answer
    x = 531,258.02

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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.