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Finding the Fourth Proportional to 1,064.72, 1,597.20 and 334.08

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Solution

The fourth proportional to 1,064.72, 1,597.20 and 334.08 is: 501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.72 : 1,597.20 = 334.08 : x
  2. Step 2: Convert to fraction form
    1,064.72/1,597.20 = 334.08/x
  3. Step 3: Cross multiply
    1,064.72x = 1,597.20 × 334.08
  4. Step 4: Simplify right side
    1,064.72x = 533,592.58
  5. Step 5: Solve for x
    x = 533,592.58/1,064.72
  6. Step 6: Final answer
    x = 501.16

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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.