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Finding the Fourth Proportional to 632,860.38, 873,313.80 and 346,325.10

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Solution

The fourth proportional to 632,860.38, 873,313.80 and 346,325.10 is: 477,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,860.38 : 873,313.80 = 346,325.10 : x
  2. Step 2: Convert to fraction form
    632,860.38/873,313.80 = 346,325.10/x
  3. Step 3: Cross multiply
    632,860.38x = 873,313.80 × 346,325.10
  4. Step 4: Simplify right side
    632,860.38x = 302,450,489,116.38
  5. Step 5: Solve for x
    x = 302,450,489,116.38/632,860.38
  6. Step 6: Final answer
    x = 477,910.29

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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.