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Finding the Fourth Proportional to 581,612.55, 802,297.59 and 339,843.81

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Solution

The fourth proportional to 581,612.55, 802,297.59 and 339,843.81 is: 468,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,612.55 : 802,297.59 = 339,843.81 : x
  2. Step 2: Convert to fraction form
    581,612.55/802,297.59 = 339,843.81/x
  3. Step 3: Cross multiply
    581,612.55x = 802,297.59 × 339,843.81
  4. Step 4: Simplify right side
    581,612.55x = 272,655,869,739.42
  5. Step 5: Solve for x
    x = 272,655,869,739.42/581,612.55
  6. Step 6: Final answer
    x = 468,792.96

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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.