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Finding the Fourth Proportional to 671,702.88, 925,373.31 and 467,402.46

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Solution

The fourth proportional to 671,702.88, 925,373.31 and 467,402.46 is: 643,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,702.88 : 925,373.31 = 467,402.46 : x
  2. Step 2: Convert to fraction form
    671,702.88/925,373.31 = 467,402.46/x
  3. Step 3: Cross multiply
    671,702.88x = 925,373.31 × 467,402.46
  4. Step 4: Simplify right side
    671,702.88x = 432,521,761,512.34
  5. Step 5: Solve for x
    x = 432,521,761,512.34/671,702.88
  6. Step 6: Final answer
    x = 643,918.28

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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.