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Finding the Fourth Proportional to 633,260.43, 873,873.14 and 346,775.58

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Solution

The fourth proportional to 633,260.43, 873,873.14 and 346,775.58 is: 478,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,260.43 : 873,873.14 = 346,775.58 : x
  2. Step 2: Convert to fraction form
    633,260.43/873,873.14 = 346,775.58/x
  3. Step 3: Cross multiply
    633,260.43x = 873,873.14 × 346,775.58
  4. Step 4: Simplify right side
    633,260.43x = 303,037,864,969.92
  5. Step 5: Solve for x
    x = 303,037,864,969.92/633,260.43
  6. Step 6: Final answer
    x = 478,535.92

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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.