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Finding the Fourth Proportional to 1,595.48, 2,393.46 and 499.70

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Solution

The fourth proportional to 1,595.48, 2,393.46 and 499.70 is: 749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.48 : 2,393.46 = 499.70 : x
  2. Step 2: Convert to fraction form
    1,595.48/2,393.46 = 499.70/x
  3. Step 3: Cross multiply
    1,595.48x = 2,393.46 × 499.70
  4. Step 4: Simplify right side
    1,595.48x = 1,196,011.96
  5. Step 5: Solve for x
    x = 1,196,011.96/1,595.48
  6. Step 6: Final answer
    x = 749.63

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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.