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Finding the Fourth Proportional to 573,742.53, 791,792.75 and 319,088.25

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Solution

The fourth proportional to 573,742.53, 791,792.75 and 319,088.25 is: 440,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,742.53 : 791,792.75 = 319,088.25 : x
  2. Step 2: Convert to fraction form
    573,742.53/791,792.75 = 319,088.25/x
  3. Step 3: Cross multiply
    573,742.53x = 791,792.75 × 319,088.25
  4. Step 4: Simplify right side
    573,742.53x = 252,651,763,757.91
  5. Step 5: Solve for x
    x = 252,651,763,757.91/573,742.53
  6. Step 6: Final answer
    x = 440,357.39

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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.