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Finding the Fourth Proportional to 632,895.87, 873,404.49 and 346,409.80

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Solution

The fourth proportional to 632,895.87, 873,404.49 and 346,409.80 is: 478,050.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,895.87 : 873,404.49 = 346,409.80 : x
  2. Step 2: Convert to fraction form
    632,895.87/873,404.49 = 346,409.80/x
  3. Step 3: Cross multiply
    632,895.87x = 873,404.49 × 346,409.80
  4. Step 4: Simplify right side
    632,895.87x = 302,555,874,700.00
  5. Step 5: Solve for x
    x = 302,555,874,700.00/632,895.87
  6. Step 6: Final answer
    x = 478,050.01

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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.