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Finding the Fourth Proportional to 634,428.32, 951,341.16 and 368,270.42

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Solution

The fourth proportional to 634,428.32, 951,341.16 and 368,270.42 is: 552,230.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,428.32 : 951,341.16 = 368,270.42 : x
  2. Step 2: Convert to fraction form
    634,428.32/951,341.16 = 368,270.42/x
  3. Step 3: Cross multiply
    634,428.32x = 951,341.16 × 368,270.42
  4. Step 4: Simplify right side
    634,428.32x = 350,350,808,556.49
  5. Step 5: Solve for x
    x = 350,350,808,556.49/634,428.32
  6. Step 6: Final answer
    x = 552,230.72

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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.