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Finding the Fourth Proportional to 472,394.53, 651,698.68 and 300,220.22

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Solution

The fourth proportional to 472,394.53, 651,698.68 and 300,220.22 is: 414,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394.53 : 651,698.68 = 300,220.22 : x
  2. Step 2: Convert to fraction form
    472,394.53/651,698.68 = 300,220.22/x
  3. Step 3: Cross multiply
    472,394.53x = 651,698.68 × 300,220.22
  4. Step 4: Simplify right side
    472,394.53x = 195,653,121,083.31
  5. Step 5: Solve for x
    x = 195,653,121,083.31/472,394.53
  6. Step 6: Final answer
    x = 414,173.13

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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.