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Finding the Fourth Proportional to 573,795.64, 792,004.74 and 382,808.58

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Solution

The fourth proportional to 573,795.64, 792,004.74 and 382,808.58 is: 528,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,795.64 : 792,004.74 = 382,808.58 : x
  2. Step 2: Convert to fraction form
    573,795.64/792,004.74 = 382,808.58/x
  3. Step 3: Cross multiply
    573,795.64x = 792,004.74 × 382,808.58
  4. Step 4: Simplify right side
    573,795.64x = 303,186,209,872.67
  5. Step 5: Solve for x
    x = 303,186,209,872.67/573,795.64
  6. Step 6: Final answer
    x = 528,387.09

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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.