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Finding the Fourth Proportional to 584,758.24, 806,965.92 and 316,486.24

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Solution

The fourth proportional to 584,758.24, 806,965.92 and 316,486.24 is: 436,750.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,758.24 : 806,965.92 = 316,486.24 : x
  2. Step 2: Convert to fraction form
    584,758.24/806,965.92 = 316,486.24/x
  3. Step 3: Cross multiply
    584,758.24x = 806,965.92 × 316,486.24
  4. Step 4: Simplify right side
    584,758.24x = 255,393,609,828.94
  5. Step 5: Solve for x
    x = 255,393,609,828.94/584,758.24
  6. Step 6: Final answer
    x = 436,750.77

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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.