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Finding the Fourth Proportional to 634,406.01, 875,476.22 and 362,557.05

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Solution

The fourth proportional to 634,406.01, 875,476.22 and 362,557.05 is: 500,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,406.01 : 875,476.22 = 362,557.05 : x
  2. Step 2: Convert to fraction form
    634,406.01/875,476.22 = 362,557.05/x
  3. Step 3: Cross multiply
    634,406.01x = 875,476.22 × 362,557.05
  4. Step 4: Simplify right side
    634,406.01x = 317,410,073,855.57
  5. Step 5: Solve for x
    x = 317,410,073,855.57/634,406.01
  6. Step 6: Final answer
    x = 500,326.40

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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.