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Finding the Fourth Proportional to 584,727.81, 806,924.48 and 316,455.81

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Solution

The fourth proportional to 584,727.81, 806,924.48 and 316,455.81 is: 436,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,727.81 : 806,924.48 = 316,455.81 : x
  2. Step 2: Convert to fraction form
    584,727.81/806,924.48 = 316,455.81/x
  3. Step 3: Cross multiply
    584,727.81x = 806,924.48 × 316,455.81
  4. Step 4: Simplify right side
    584,727.81x = 255,355,938,344.95
  5. Step 5: Solve for x
    x = 255,355,938,344.95/584,727.81
  6. Step 6: Final answer
    x = 436,709.07

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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.