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Finding the Fourth Proportional to 567,956.88, 783,767.88 and 313,308

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Solution

The fourth proportional to 567,956.88, 783,767.88 and 313,308 is: 432,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,956.88 : 783,767.88 = 313,308 : x
  2. Step 2: Convert to fraction form
    567,956.88/783,767.88 = 313,308/x
  3. Step 3: Cross multiply
    567,956.88x = 783,767.88 × 313,308
  4. Step 4: Simplify right side
    567,956.88x = 245,560,746,947.04
  5. Step 5: Solve for x
    x = 245,560,746,947.04/567,956.88
  6. Step 6: Final answer
    x = 432,358.08

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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.