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Finding the Fourth Proportional to 634,809.68, 951,713.48 and 314,740.87

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Solution

The fourth proportional to 634,809.68, 951,713.48 and 314,740.87 is: 471,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,809.68 : 951,713.48 = 314,740.87 : x
  2. Step 2: Convert to fraction form
    634,809.68/951,713.48 = 314,740.87/x
  3. Step 3: Cross multiply
    634,809.68x = 951,713.48 × 314,740.87
  4. Step 4: Simplify right side
    634,809.68x = 299,543,127,093.50
  5. Step 5: Solve for x
    x = 299,543,127,093.50/634,809.68
  6. Step 6: Final answer
    x = 471,862.89

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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.