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Finding the Fourth Proportional to 592,782, 818,039.20 and 324,510

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Solution

The fourth proportional to 592,782, 818,039.20 and 324,510 is: 447,823.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,782 : 818,039.20 = 324,510 : x
  2. Step 2: Convert to fraction form
    592,782/818,039.20 = 324,510/x
  3. Step 3: Cross multiply
    592,782x = 818,039.20 × 324,510
  4. Step 4: Simplify right side
    592,782x = 265,461,900,792
  5. Step 5: Solve for x
    x = 265,461,900,792/592,782
  6. Step 6: Final answer
    x = 447,823.82

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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.