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Finding the Fourth Proportional to 634,603.40, 875,812.56 and 362,618.59

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Solution

The fourth proportional to 634,603.40, 875,812.56 and 362,618.59 is: 500,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,603.40 : 875,812.56 = 362,618.59 : x
  2. Step 2: Convert to fraction form
    634,603.40/875,812.56 = 362,618.59/x
  3. Step 3: Cross multiply
    634,603.40x = 875,812.56 × 362,618.59
  4. Step 4: Simplify right side
    634,603.40x = 317,585,915,611.49
  5. Step 5: Solve for x
    x = 317,585,915,611.49/634,603.40
  6. Step 6: Final answer
    x = 500,447.86

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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.