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Finding the Fourth Proportional to 632,574.30, 872,954.64 and 346,093.50

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Solution

The fourth proportional to 632,574.30, 872,954.64 and 346,093.50 is: 477,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,574.30 : 872,954.64 = 346,093.50 : x
  2. Step 2: Convert to fraction form
    632,574.30/872,954.64 = 346,093.50/x
  3. Step 3: Cross multiply
    632,574.30x = 872,954.64 × 346,093.50
  4. Step 4: Simplify right side
    632,574.30x = 302,123,926,698.84
  5. Step 5: Solve for x
    x = 302,123,926,698.84/632,574.30
  6. Step 6: Final answer
    x = 477,610.18

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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.