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Finding the Fourth Proportional to 1,556, 2,334.24 and 530.24

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Solution

The fourth proportional to 1,556, 2,334.24 and 530.24 is: 795.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556 : 2,334.24 = 530.24 : x
  2. Step 2: Convert to fraction form
    1,556/2,334.24 = 530.24/x
  3. Step 3: Cross multiply
    1,556x = 2,334.24 × 530.24
  4. Step 4: Simplify right side
    1,556x = 1,237,707.42
  5. Step 5: Solve for x
    x = 1,237,707.42/1,556
  6. Step 6: Final answer
    x = 795.44

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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.