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Finding the Fourth Proportional to 632,699.80, 873,125.56 and 346,219.80

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Solution

The fourth proportional to 632,699.80, 873,125.56 and 346,219.80 is: 477,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,699.80 : 873,125.56 = 346,219.80 : x
  2. Step 2: Convert to fraction form
    632,699.80/873,125.56 = 346,219.80/x
  3. Step 3: Cross multiply
    632,699.80x = 873,125.56 × 346,219.80
  4. Step 4: Simplify right side
    632,699.80x = 302,293,356,758.09
  5. Step 5: Solve for x
    x = 302,293,356,758.09/632,699.80
  6. Step 6: Final answer
    x = 477,783.23

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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.