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Finding the Fourth Proportional to 634,461.60, 951,312.22 and 201,992.16

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Solution

The fourth proportional to 634,461.60, 951,312.22 and 201,992.16 is: 302,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,461.60 : 951,312.22 = 201,992.16 : x
  2. Step 2: Convert to fraction form
    634,461.60/951,312.22 = 201,992.16/x
  3. Step 3: Cross multiply
    634,461.60x = 951,312.22 × 201,992.16
  4. Step 4: Simplify right side
    634,461.60x = 192,157,605,395.63
  5. Step 5: Solve for x
    x = 192,157,605,395.63/634,461.60
  6. Step 6: Final answer
    x = 302,867.20

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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.