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Finding the Fourth Proportional to 671,705.36, 925,376.72 and 467,404.96

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Solution

The fourth proportional to 671,705.36, 925,376.72 and 467,404.96 is: 643,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,705.36 : 925,376.72 = 467,404.96 : x
  2. Step 2: Convert to fraction form
    671,705.36/925,376.72 = 467,404.96/x
  3. Step 3: Cross multiply
    671,705.36x = 925,376.72 × 467,404.96
  4. Step 4: Simplify right side
    671,705.36x = 432,525,668,796.53
  5. Step 5: Solve for x
    x = 432,525,668,796.53/671,705.36
  6. Step 6: Final answer
    x = 643,921.72

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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.