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Finding the Fourth Proportional to 957.32, 1,434.18 and 592.28

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Solution

The fourth proportional to 957.32, 1,434.18 and 592.28 is: 887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.32 : 1,434.18 = 592.28 : x
  2. Step 2: Convert to fraction form
    957.32/1,434.18 = 592.28/x
  3. Step 3: Cross multiply
    957.32x = 1,434.18 × 592.28
  4. Step 4: Simplify right side
    957.32x = 849,436.13
  5. Step 5: Solve for x
    x = 849,436.13/957.32
  6. Step 6: Final answer
    x = 887.31

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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.