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Finding the Fourth Proportional to 1,461.12, 2,190.64 and 594.72

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Solution

The fourth proportional to 1,461.12, 2,190.64 and 594.72 is: 891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.12 : 2,190.64 = 594.72 : x
  2. Step 2: Convert to fraction form
    1,461.12/2,190.64 = 594.72/x
  3. Step 3: Cross multiply
    1,461.12x = 2,190.64 × 594.72
  4. Step 4: Simplify right side
    1,461.12x = 1,302,817.42
  5. Step 5: Solve for x
    x = 1,302,817.42/1,461.12
  6. Step 6: Final answer
    x = 891.66

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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.