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Finding the Fourth Proportional to 584,758.82, 806,966.94 and 316,486.82

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Solution

The fourth proportional to 584,758.82, 806,966.94 and 316,486.82 is: 436,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,758.82 : 806,966.94 = 316,486.82 : x
  2. Step 2: Convert to fraction form
    584,758.82/806,966.94 = 316,486.82/x
  3. Step 3: Cross multiply
    584,758.82x = 806,966.94 × 316,486.82
  4. Step 4: Simplify right side
    584,758.82x = 255,394,400,685.73
  5. Step 5: Solve for x
    x = 255,394,400,685.73/584,758.82
  6. Step 6: Final answer
    x = 436,751.69

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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.