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Finding the Fourth Proportional to 671,707.86, 925,380.17 and 467,407.46

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Solution

The fourth proportional to 671,707.86, 925,380.17 and 467,407.46 is: 643,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,707.86 : 925,380.17 = 467,407.46 : x
  2. Step 2: Convert to fraction form
    671,707.86/925,380.17 = 467,407.46/x
  3. Step 3: Cross multiply
    671,707.86x = 925,380.17 × 467,407.46
  4. Step 4: Simplify right side
    671,707.86x = 432,529,594,794.07
  5. Step 5: Solve for x
    x = 432,529,594,794.07/671,707.86
  6. Step 6: Final answer
    x = 643,925.17

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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.