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Finding the Fourth Proportional to 621,897.88, 932,447.76 and 297,552.28

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Solution

The fourth proportional to 621,897.88, 932,447.76 and 297,552.28 is: 446,137.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,897.88 : 932,447.76 = 297,552.28 : x
  2. Step 2: Convert to fraction form
    621,897.88/932,447.76 = 297,552.28/x
  3. Step 3: Cross multiply
    621,897.88x = 932,447.76 × 297,552.28
  4. Step 4: Simplify right side
    621,897.88x = 277,451,956,968.89
  5. Step 5: Solve for x
    x = 277,451,956,968.89/621,897.88
  6. Step 6: Final answer
    x = 446,137.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.