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Finding the Fourth Proportional to 554,268.30, 830,236.05 and 460,956.30

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Solution

The fourth proportional to 554,268.30, 830,236.05 and 460,956.30 is: 690,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,268.30 : 830,236.05 = 460,956.30 : x
  2. Step 2: Convert to fraction form
    554,268.30/830,236.05 = 460,956.30/x
  3. Step 3: Cross multiply
    554,268.30x = 830,236.05 × 460,956.30
  4. Step 4: Simplify right side
    554,268.30x = 382,702,537,734.62
  5. Step 5: Solve for x
    x = 382,702,537,734.62/554,268.30
  6. Step 6: Final answer
    x = 690,464.42

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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.