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Finding the Fourth Proportional to 1,569.36, 2,353.62 and 473.43

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Solution

The fourth proportional to 1,569.36, 2,353.62 and 473.43 is: 710.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569.36 : 2,353.62 = 473.43 : x
  2. Step 2: Convert to fraction form
    1,569.36/2,353.62 = 473.43/x
  3. Step 3: Cross multiply
    1,569.36x = 2,353.62 × 473.43
  4. Step 4: Simplify right side
    1,569.36x = 1,114,274.32
  5. Step 5: Solve for x
    x = 1,114,274.32/1,569.36
  6. Step 6: Final answer
    x = 710.02

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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.