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Finding the Fourth Proportional to 632,612.84, 873,004.30 and 346,132.31

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Solution

The fourth proportional to 632,612.84, 873,004.30 and 346,132.31 is: 477,661.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,612.84 : 873,004.30 = 346,132.31 : x
  2. Step 2: Convert to fraction form
    632,612.84/873,004.30 = 346,132.31/x
  3. Step 3: Cross multiply
    632,612.84x = 873,004.30 × 346,132.31
  4. Step 4: Simplify right side
    632,612.84x = 302,174,989,768.58
  5. Step 5: Solve for x
    x = 302,174,989,768.58/632,612.84
  6. Step 6: Final answer
    x = 477,661.81

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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.