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Finding the Fourth Proportional to 671,700.88, 925,370.55 and 467,400.46

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Solution

The fourth proportional to 671,700.88, 925,370.55 and 467,400.46 is: 643,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,700.88 : 925,370.55 = 467,400.46 : x
  2. Step 2: Convert to fraction form
    671,700.88/925,370.55 = 467,400.46/x
  3. Step 3: Cross multiply
    671,700.88x = 925,370.55 × 467,400.46
  4. Step 4: Simplify right side
    671,700.88x = 432,518,620,740.45
  5. Step 5: Solve for x
    x = 432,518,620,740.45/671,700.88
  6. Step 6: Final answer
    x = 643,915.52

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Double scale
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Similar ratio
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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.