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Finding the Fourth Proportional to 605,742.80, 908,614.20 and 597,869.60

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Solution

The fourth proportional to 605,742.80, 908,614.20 and 597,869.60 is: 896,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,742.80 : 908,614.20 = 597,869.60 : x
  2. Step 2: Convert to fraction form
    605,742.80/908,614.20 = 597,869.60/x
  3. Step 3: Cross multiply
    605,742.80x = 908,614.20 × 597,869.60
  4. Step 4: Simplify right side
    605,742.80x = 543,232,808,308.32
  5. Step 5: Solve for x
    x = 543,232,808,308.32/605,742.80
  6. Step 6: Final answer
    x = 896,804.40

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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.