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Finding the Fourth Proportional to 1,046.95, 1,570.03 and 353.44

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Solution

The fourth proportional to 1,046.95, 1,570.03 and 353.44 is: 530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.95 : 1,570.03 = 353.44 : x
  2. Step 2: Convert to fraction form
    1,046.95/1,570.03 = 353.44/x
  3. Step 3: Cross multiply
    1,046.95x = 1,570.03 × 353.44
  4. Step 4: Simplify right side
    1,046.95x = 554,901.79
  5. Step 5: Solve for x
    x = 554,901.79/1,046.95
  6. Step 6: Final answer
    x = 530.02

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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.