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Finding the Fourth Proportional to 472,450.35, 651,984.59 and 257,594.01

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Solution

The fourth proportional to 472,450.35, 651,984.59 and 257,594.01 is: 355,481.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,450.35 : 651,984.59 = 257,594.01 : x
  2. Step 2: Convert to fraction form
    472,450.35/651,984.59 = 257,594.01/x
  3. Step 3: Cross multiply
    472,450.35x = 651,984.59 × 257,594.01
  4. Step 4: Simplify right side
    472,450.35x = 167,947,323,195.35
  5. Step 5: Solve for x
    x = 167,947,323,195.35/472,450.35
  6. Step 6: Final answer
    x = 355,481.42

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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.