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Finding the Fourth Proportional to 608,217.40, 910,943.70 and 384,268.60

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Solution

The fourth proportional to 608,217.40, 910,943.70 and 384,268.60 is: 575,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,217.40 : 910,943.70 = 384,268.60 : x
  2. Step 2: Convert to fraction form
    608,217.40/910,943.70 = 384,268.60/x
  3. Step 3: Cross multiply
    608,217.40x = 910,943.70 × 384,268.60
  4. Step 4: Simplify right side
    608,217.40x = 350,047,060,277.82
  5. Step 5: Solve for x
    x = 350,047,060,277.82/608,217.40
  6. Step 6: Final answer
    x = 575,529.51

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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.